Audi Corporate Responsibility Report 2012 Product

28 Фев 2014 | Author: | Комментарии к записи Audi Corporate Responsibility Report 2012 Product отключены
Audi e-gas

Technical and ecological expectations

are becoming more demanding

Intro to Product section

The demands on carmakers are also on the increase. Corporate responsibility therefore must be evident primarily in the core business – in other words, in the development of vehicles for pioneering mobility.

What does corporate responsibility mean for a premium carmaker? What are the expectations of our employees and customers, and what does society expect from us? We firmly believe that responsible action must be primarily evidenced in the products whose attractiveness is the reason for our success.

Reducing emissions and enhancing efficiency have long been top priorities of our development efforts.

Conflicting development goals

Sometimes, however, these requirements are contradictory. Increased crash safety is normally associated with the use of more material, such as to protect passengers as well as possible in the event of a side-impact collision. Greater weight, on the other hand, is associated with higher fuel consumption.

A heavier body and larger engines require more powerful brakes, which once again increases total weight.

Audi Space Frame technology saves up to 40 percent in body weight.

Generally speaking, weights in the auto industry have increased over multiple vehicle generations as requirements placed on safety and comfort have increased. It took intelligent lightweight construction to reverse the weight spiral, such as with the 1994 Audi A8, the first model with an Audi Space Frame body. The lightweight metal, which is notoriously difficult to process, has since made its way into numerous models.

Combustion engines are the dominant drive technology today, and will remain so in the short term. Even after more than 100 years of experience with the technology, there is still potential for further optimization. We have therefore bundled a whole range of technologies for increasing efficiency and continuously reducing emissions in the modular efficiency platform (cf. Technologies for increasing efficiency ).

Corporate responsibility must take place within the core business: in products and processes.

On the way to CO 2 -neutral mobility

Even though gasoline and diesel-powered engines dominate sales today, we find ourselves in a period of transition in which alternative drives are playing an increasingly large role. At the time of publication of this report, we offer hybrid models in three model lines, and we will be expanding our electric mobility portfolio to all large model series (cf. Alternative drives ).

The 2013 Geneva Motor Show saw the introduction of both the A3 e-tron, a plug-in hybrid vehicle with an electric range of 50 kilometers, and the A3 g-tron, a model designed for operation on methane gas. We consider the automobile as a complete system in the life cycle assessments we prepare for our vehicles and have recognized the major influence that fuel has on the environmental footprint (cf. Holistic analysis ).

A3 g-tron

The g-tron consumes on average less than 3.5 kilograms of natural gas per 100 km. CO 2 tailpipe emissions are less than 95 g/km in gas mode. The greenhouse gas balance is further improved when e-gas – the fuel produced from green electricity – is used: In a well-to-wheel analysis that accounts for all factors from the fuel source to the wheel, CO 2 emissions remain below 30 g/km.

Developing 81 kW (110 hp) and 200 Nm of torque, the Audi A3 g-tron has a top speed of 190 km/h, with 0 to 100 km/h taking 11 seconds.

Audi e-gas

A3 e-tron

The Audi A3 e-tron is a plug-in hybrid with 150 kW (204 hp) of system power and 350 Nm of system torque. It sprints from 0 to 100 km/h in 7.6 seconds on its way to a top speed of 222 km/h. According to the ECE (Economic Commission for Europe) standard for plug-in hybrid automobiles, the five-door model consumes on average just 1.5 liters of fuel per 100 km, which corresponds to CO 2 emissions of 35 grams per km.

In electric mode, the Audi A3 e-tron reaches 130 km/h and has a maximum range of 50 km.

The CO 2 emissions of the A3 g-tron decrease dramatically when rather than natural methane (natural gas), it is powered instead with methane produced from renewables, which Audi calls e-gas. We produce this synthetic methane at a pilot plant in Emsland, not far from the North Sea coast. The methanation facility is powered primarily with surplus energy from wind turbines (cf. Renewable fuels ).

Steadily improving safety

We have been working for many years to improve the passive and active safety of our vehicles. Lessons learned from Audi’s interdisciplinary accident research flow into development, and the very good scores in the relevant crash tests testify to the success of this work. Besides body design, active safety systems are playing an increasingly important role.

Taking several assistance systems as examples, we show how the interplay between complexly networked sensors and traditional vehicle technology can be used to prevent accidents or at least reduce the severity of their consequences (cf. Vehicle safety ).

The stakeholders’ perspective

In 2012, we asked our stakeholders to assess the relevance of primary aspects of product responsibility. In general, product-related topics are afforded the highest relevance by all stakeholders, compared with other areas such as employees or society. Fuel consumption and emissions, innovation and efficiency enhancement and alternative drives are very important here.

One innovative step for us is the e-gas project for the development of alternative fuels.

Audi e-gas
Audi e-gas
Audi e-gas
Audi e-gas
Audi e-gas
Audi e-gas

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