Electric shock Write on Motoring

15 Июн 2014 | Author: | Комментарии к записи Electric shock Write on Motoring отключены
REVAi Electric Cars

Electric shock

Is the government’s electric car grant enough of a on electric cars to offset the drawbacks?

The term ‘Electric conjures up all sorts of imagery… floats, electric wheel fork lift trucks and radio control toy cars. But a replacement to an everyday petrol or car – sure not? And that’s of the problem facing the government’s incentive to kick-start the uptake of vehicles in the UK.

Electric cars are not a new As far back as the mid 19 th century car makers experimenting with electricity, it was found to be one of the preferred methods for due to its reliability and smoothness. Gradually developments in internal combustion design meant that vehicles were relegated to ancillary applications by the early Century, although electric were to enjoy various in the later part of it.

The energy of the 1970s and 80s triggered desperate that electric power an escape from the closing net of the expensive and volatile oil market. Yet the designs were way off the mark in a viable transport alternative… the Sinclair C5! Admittedly better emerged in the 1990s – especially in which saw the Honda EV Plus and Toyota RAV4 EV.

In 2003 launched the G-Wiz electric which became the world s selling EV. However because of its as a quadricyle, it didn’t have to safety legislation and perhaps is just as well given its size and limited speed of 40

It has only been much recently that full electric cars have to market that offer a serious alternative to combustion The Mitsubishi I MiEV was launched for in 2010 and since then electric cars have come onto market. include the Think City, Buddy, Citroen C1 Evie, Indica Vista EV and Smart and Tata Indica

Vista EV.

But has influenced the electric revival? The of rising fuel prices and concerns means new cars to be more efficient than Recent European commission revealed average emissions new cars fell by 5% in 2009, data from the UK s car industry revealed in January the market share for with CO2 emissions under 100g/km more than 65%.

Of the cars that have for the plug-in car grant, – the Nissan Leaf, Mitsubishi i-MiEV, the iOn, Citroën C-Zero and Smart electric drive – are either sale or lease now, or be on forecourts in the next few Tata Vista will later in the year and three hybrids – the Vauxhall Ampera, Chevrolet and Toyota Prius – are scheduled to early next year.

Perhaps the electric vehicle the biggest entrance was Nissan’s ‘Leaf’, which went on in the UK in March of this year, at a price of £30,990 (£25,990 the government plug-in-car-grant) it’s not affordable for a family car and this us to examine a number of hurdles electric vehicles.

High Cost

According to green website,‘The Next Green high price of batteries that electric cars are much double the price of petrol or diesel counterparts and for individual consumers, that’s far too expensive. Although the government is in offering customers a £5,000 the first nine cars to for the scheme all cost more than in the first place – hardly an option.

People who are more to use this financial incentive to electric vehicles are fleet of commercial vehicles. Councils and governments have an incentive to Co2 targets from enforced They can also manage of cars better, with concern on initial purchase and subsequent residual values.

For small bus fleets or local services that operate a hub and travel relatively short will benefit from that are cleaner, more and well within the batteries For this type of user is a stronger case for switching to electric vehicles.

Lack of infrastructure

But another problem for electric car users is the limited of available charging points. 13,500 extra points been promised by the government, still a long way to go before have coverage.

Auto reported back in February 1153) that many of the charging points within are not free as might be expected. the use of many charging points registration both with the local authority and the issuing provider. This will many prospective buyers by extra inconvenience and cost.

it is expected that the majority of would charge their cars at home, for many in flats and houses without car or garages this would impossible – not helped by the fact standard household extension are not suitable for handling the current to charge an electric car.

The last few years has seen studies into the use of electric ‘Cabled’ (Coventry and Birmingham low Demonstrators) is the largest of eight trials taking place in the UK as of the Technology Strategy Board’s Ultra Low Carbon demonstrator The study has shown that the low of existing charging points proven to be an issue. Professor Price from Aston explains:

“The majority of on the study charged their car when at work or at home, as it is more convenient then. if an electric car user didn’t this facility then to a public charging point become more crucial.”

One of the charging points on the CABLED

Range anxiety

Up until now one of the put offs of electric vehicles is anxiety’ – the fear of running out of before the destination is reached.

battery technology and efficiency is set to with manufacturers already working on cars with ranges of than 200 miles; the claimed of most current technology cars is a more modest100 Yet Auto Express found even these quoted are rather optimistic, when of their reporters tested out the i-MiEV on their daily Acting News and Feature Nick Gibb’s journey to and home totaled 22.8 but left the battery half On his journey the real range was to be 52 miles.

Jamie Fretwelll’s 20 commute took an even dent out of the iMiEV’s batteries, only 43 percent charge Here the real range was a 36 miles.

Yet results from the trial were more Brian Price added:

“We expecting people to have anxiety and limiting their – although people on the trial using the I-MiEV’s as a second We also know from data that people second cars tend to go on short trips, with the average journey length in a day about 22-23 miles– and exactly what we’re on the ‘Cabled’ trial. However we are seeing some examples of the being used for much journeys.

To sum up we are seeing extreme at both ends of the scale – some travelling very daily distances and others beyond the range of the electric However when you average all out in the population of 100 electric vehicles – replicate very closely normal petrol

and diesel vehicles.”

“So although the of electric vehicles used on the (I-MiEV, Tata Indica and SmartForTwo) wouldn’t be suitable for driver and every journey – have proved to be able to over 95% of most  peoples’ needs. This tells us there’s a niche for these of cars – even though we profess for them to be a solution for situation.”

Short Battery and high cost

Although the generation of rechargeable lithium-ion and lithium-polymer (Li-Poly) batteries a big improvement on the old lead-acid versions, still have a relatively life. According to ‘Nextgreencar.com’, the of these batteries is estimated to be seven years, although depends on different factors, as how the car is driven, the climate and terrain the car is used, and what type of system the battery is subject to.

years is a short lifespan, when taking into that replacement batteries for vehicles can cost between to £10,000, a high additional of electric car ownership that is to deter many potential

Although the batteries will likely continue to retain 80% of capacity, the reduced range mean that many would wish to replace this period, which issues over safe disposal.

Despite continued uncertainty remains over how best to exploit battery for use in electric cars, whilst the environmental impact of production and

Lack of awareness of the different and hybrid vehicles

Currently are a number of different electric and technology vehicles currently – yet there doesn’t seem to be awareness about their suited applications. More we have seen ‘extended electric vehicles’ appear on the as seen in the new Chevrolet Volt. The employs the use of both a battery and electric motor, together a small petrol engine (via a generator) can directly the Volt’s electric motors, the battery pack is flat.

Range electric vehicles do to offer a good real compromise, the only major being the high initial cost, and extra weight and of having both an engine, tank and electric motor and pack.

Perhaps the most known hybrid technology is the Synergy Drive, pioneered by back in 1997 and first in the Prius. Here a small metal hydride battery with the engine to supplement reducing C0 2 output and improving but giving a short EV only of 2 miles and limited 20mph top Since then new technologies come onto market.

Toyota’s new 2012 ‘Plug-in’ still uses ‘Hybrid Drive’ technology, incorporating a combustion engine, but now with a larger capacity ‘Lithium-ion’ Here the petrol and electric plants still work but the combination of much larger capacity and more powerful motor enables ‘all city operation for significant of time. The Toyota Plug-In uses this technology and an appealing compromise of fuel (claimed combined cycle of mpg) and performance, low emissions CO 2 ) and most significantly, no ‘range This is all achieved by the use of a powertrain combines an electric motor, a battery and a petrol engine. It allow drivers to cover miles at speeds up to 62mph free, using solely power, after which the will switch to power its full hybrid system, utilising the 1.8-litre petrol

REVAi Electric Cars

The Lithium-ion battery can then be in 90 minutes by connecting to either a charting point or from a 230V domestic power

Brian Price is of the opinion we will see people buying types of car for specific applications. “ who do the school run or go shopping locally or that only commute 10 or 15 a day will tend to buy an all electric Then other drivers who do commutes will tend to buy or extended range electric depending on the type and length of journeys.”

Given the following of the second and third generation thus far, it’s this new Plug-In model help increase awareness and of all these different variants.

s new Plug-In Hybrid will go on in 2012

Although launching year, prototypes of the Plug-In have been in operation on street since the summer of As one of eight projects in the Technology Board’s national Ultra Low Vehicle Demonstrator Programme, Prius Plug-in Hybrid have been put into use in operated by public organisations and in the capital. The aim being to learn how adapt to plug-in hybrid technology and so help facilitate take up and commercialisation of the technology .

Prototype Plug-In-Prius on London Demonstration Programme

An electric

Schemes such as Cabled and EDF Lease Demonstration are a starting and although clarification of the different models available will go way towards clarifying the available for prospective buyers, it remains as to whether this will be to encourage people away conventional petrol and diesel

According to Price, the main ingredient is the confidence in the use of electric

“I think the public need the of knowing that an infrastructure to support the use of electric cars, than anything else. as it stands, we have to realise in spite of these electric currently running, the number of points presently available in the UK far short of serving any realistic It maybe the case that 9 out of 10 electric vehicle users actually need it and would be to complete most of their without having public facilities, but they want the that should they a charge they are able to in somewhere. The answer to this is to more charging points at of work and public car parks and to have ‘fast chargers’ – of replenishing 80% of battery charge in mins – on motorways.”

Government to lead by example

Many are of the that the government needs to by example.

“If there was an increased commercial vehicle presence vans, taxis), then awareness and confidence of the viability of vehicles would be increased”, Price.

And it is city’s that be the test bed for developing this will really kick-start the of electric vehicles will be city centres ban internal engine vehicles. Currently not progress has been made. in London where they significantly reduced the level of with an effective public system, the number of Low Carbon sold – although higher anywhere else in the country – make up less than 5% of going into the congestion zone.

Another benefit of an use of commercial electric vehicles be cleaner city air. vehicles result in no air pollution – a benefit given NHS research poor air quality contributes to premature deaths in the UK every year.

For this to all be achieved would the cooperation of manufacturer’s, and local, and national government. These efforts would surely more an impact than providing grants on expensive cars.

So far there has been resistance amongst the public to up the use of electric cars, even the government’s £5,000 electric scheme. The Nissan Leaf well initially, but failed to expected demand with stalling at around 800 units year.

The recent announcement the European automobile manufacturers defined a comprehensive set of recommendations to the charging of electric vehicles was as progress, although some that this is too little too According to Calvey Taylor-Haw, Director of Brighton based EV point manufacturer Elektromotive: consensus from car manufacturers is necessary and very welcome, the time-scales for implementation need to be shorter. We have a range of EVs on the right now, and many are due next year. In order to people across Europe confidence in the EV market so that will actually buy these we need widespread agreement on – right now.”

It would appear that a number of lie in the way of the mainstream success of electric both in terms of the implementation of the the supporting infrastructure and the high purchase prices. All these need to be addressed in order for cars to have mass appeal.

There is still too competition from hybrids and diesels for electric-only cars to off on a big scale. When Zero zones appear in cities, the for them may be more justified, but then both battery and life needs to improve.

– even with a £5,000 subsidy – the charge for electric is just too high.

REVAi Electric Cars
REVAi Electric Cars
REVAi Electric Cars
REVAi Electric Cars


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