BBC News Electric cars & pose environmental threat&

11 Июн 2014 | Author: | Комментарии к записи BBC News Electric cars & pose environmental threat& отключены
Electric Cars

Electric cars pose threat

Electric car production much carbon emissions as as toxic pollution

Global Car

Electric cars might much more than or diesel-powered cars, according to new

The Norwegian University of Science and study found greenhouse gas rose dramatically if coal was to produce the electricity.

Electric car also emitted more waste than conventional car their report in the Journal of Ecology said.

However, in cases electric cars made sense, the researchers

Big impact

The team looked at the impact of conventional and electric

In essence, they considered how the the use and the end-of-life dismantling of a car affects the explained co-author Prof Hammer Stromman.

The production phase of electric proved substantially more intensive, the report said, it to how petrol and diesel cars are

The global warming potential electric vehicle production is twice that of conventional

In addition, producing batteries and motors requires a lot of toxic such as nickel, copper and

Hence, the acidification impact is greater than that of car production.

Across the other considered in the analysis including for effects related to acid airborne particulate matter, human toxicity, ecosystem and depletion of fossil fuel and resources, electric vehicles perform worse or on par with internal combustion engine despite virtually zero emissions during operation, to Prof Stromman.

‘Counterproductive’ efforts


“ Quote

A battery electric with electricity produced by the generation mix we currently have in compares favourably in the magnitude of 10% or so diesel”

End Quote Dieter Chief executive, Daimler

electric car production being so to the environment, these cars already polluted a great by the time they hit the road, the says.

However, if the cars then powered by electricity from low-carbon electricity they could nevertheless the potential for substantial reductions in gas emissions and exposure to tailpipe over time.

However, in regions where fuels are the main sources of electric cars offer no and may even cause more the report said.

It is counterproductive to electric vehicles in regions electricity is primarily produced lignite, coal or even oil combustion.

European benefits

In where electricity is produced in a of different ways, electric do offer environmental benefits compared with cars internal combustion engines, to the study.

Electric Cars

Electric vehicles by the present European electricity mix a 10% to 24% decrease in their global potential relative to conventional or petrol vehicles.

This is in line with made by some carmakers.

powered by electricity produced in power stations pollute than petrol or diesel

According to our results, a battery vehicle, with electricity by the power generation mix we currently in Europe, compares favourably in the of 10% or so with diesel, Daimler s executive Dieter Zetsche the BBC.

Longer lives

The pointed out that the longer an car in Europe stays mobile, the its lead over petrol and engines.

Assuming a vehicle of 200,000km exaggerates the global benefits of electric vehicles to relative to petrol and 17-20% to diesel, it said.

An assumption of 100,000km decreases the of electric vehicles to 9-14% respect to petrol vehicles and in impacts indistinguishable from of a diesel vehicle.

An electric car s depends a great deal on how its battery lasts, not least it is very expensive to replace

Batteries are gradually getting which could result in cars being used for

However, as petrol and diesel are also improving, the relationships the different types of vehicles are not

A more significant reduction in warming could potentially be by increasing fuel efficiency or from petrol to diesel, the said.

If you are considering purchasing an vehicle for its environmental benefits, check your electricity and second look closely at the on the batteries, said Professor

Those in power, meanwhile, recognise the many potential of electric vehicles [which] serve as a motivation for cleaning up electricity mixes.

Electric Cars

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