One in five new cars will be sold with stop-start technology by 2015.
That's the view of Dr Bernd Bohr, chairman of automotive component company Bosch.
Bosch developed the system for the stop-start BMW 1 Series, launched earlier this year. It is the first stop-start car launched by a premium brand. Dr Bohr believes this is the start of a new generation of vehicles with the technology.
He said: 'This technology will become increasingly popular and will make up 20% of the market as soon as 2015.'
A stop-start system switches off the engine when the vehicle is at a standstill in heavy traffic or at a red light. As soon as the driver depresses the clutch pedal and puts the car back into gear, the system automatically restarts the engine.
The electronics help the car save fuel, and cut carbon dioxide emissions by up to 8%.
Daihatsu is also planning to launch its stop-start Charade model in 2008. This will have carbon dioxide emissions of just 99g/km, putting it into the lowest vehicle excise duty band A, so owners won't have to pay road tax.
• Last month, Mini also announced that all Minis built from August will have stop-start technology, at no extra cost to the buyer. This should improve fuel economy and reduce emissions. Citroen also uses the technology in its C3 model.
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