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NHTSA proposes rules for automakers to add sound to hybrids, EVs

Automakers would need to make hybrids and electric vehicles emit sound under rules that the National Highway Traffic Safety Administration proposed on Monday. The rules, ordered by Congress three years ago, are meant to protect pedestrians and bicyclists from vehicles that make little sound when using electric power. NHTSA says that designing the vehicles to make noise at speeds below 18 mph would prevent about 2,800 injuries over the life of each model year of vehicles.

Jaguar Land Rover has best sales EVER in March

Jaguar Land Rover has reported its best sales figures ever in March 2013, with Land Rover sales up by 12 per cent and Jaguar by 20.6 per cent. We’ve got used to Jaguar Land Rover producing ever growing sales figures in the last year or two as their range of cars become ever more desirable. But March 2013 has topped all their results so far with an all-time record number of cars sold – a TOTAL OF 17,733, up by 20 per cent on March 2012.

ZF boss thinks 9 speeds is enough for transmissions

The nine-speed transmission might be where the race to add gears ends, ZF Friedrichshafen CEO Stefan Sommer said. He referred to nine speeds as the "natural limit" because going beyond that number adds weight and complexity that cannot be offset by gains in fuel efficiency. "There is no hard line, but you have to consider the law of diminishing returns.