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Porsche says Panamera avoids gas-guzzler tax

Few expenses were spared in conceiving the Porsche Panamera, but consumers will avoid at least one cost of ownership: the ignominious gas-guzzler tax. Porsche has announced ratings for the 2010 sedan; it will get a combined figure of 18 mpg or 19 mpg from the EPA, depending on the model. This means Porsche’s four-door foray will avoid a fairly substantial cost of ownership--a tax of up to $7,700 is levied on the most prolific guzzlers.

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.

Mazda plots cleaner diesels, rotaries, stop-start

By Richard Aucock Motoring Issues 19 September 2008 07:00 Mazda has opened its R&D department up to CAR, in a demonstration of how it's tackling a changing world. It's spilled the beans on its future engine tech, how it's going to continue stripping weight out of its cars, when stop-start is coming – and more besides. Read on for the lowdown on Mazda's eco tech future.And it's not all boring.