Older Sunfish Sail on 2040-parts.com

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.

Unique Corvette built for 'Bunkie' Knudsen heads to auction

Rare Corvettes are in the news these days, and one car that's drawing quite a bit of attention from collectors is a 1963 Chevrolet Corvette styling car known as the "Bunkie" Knudsen Corvette, built for Chevrolet general manager Semon E. "Bunkie" Knudsen. In just a few days, this uniquely styled 1963 Sting Ray convertible distinguished by it intricately designed side exhaust will be going up for auction.

Detroit Electric unveils the SP:01

Detroit Electric unveiled its SP:01 electric sports car April 3 in Detroit. The Lotus-based roadster claims 201 hp from its mid-mounted electric motor and a range of up to 180 miles from its lithium-polymer battery pack. The company is headquartered in Detroit’s Fisher Building; it’s led by former Lotus Engineering and Lotus Group execs Albert Lam, Don Graundstadt and Benjamin Boycott.