Environmental challenges according to motorists

What has had the greatest impact in making cars more environmentally friendly over the past 20 years?

• More fuel efficient engines
• Unleaded petrol
• Catalytic converters and low CO2 emission fuels such as bio-diesel; gas

The main changes that need to happen now, in order to have a major impact in making motoring more environmentally friendly 20 years from now are:

• Develop technology that makes engines even more efficient and less polluting
• Improvement of/investment in public transport
• Investment in alternative fuels (bio-diesel/electric)

What influences buying a more environmentally friendly car?

• Incentives for buying a low CO2 emission car
• More information on cars' CO2 emission levels
• Reduction in cost of alternative fuels: bio-fuels; LPG, CNG

The environment and motorists

Executive summary