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Driven: Mazda RX-8

The two most obvious elements of its unusual make-up are its rotary engine and rear-hinged rear doors with integral B-pillars. What became clear during our week with the RX-8 was how these two aspects of its design form the basis of many other unique qualities... Sports coupe and GT coupe The rotary engine of the RX-8 has a very distinct power delivery that is a defining part of the car's character, but it is also a very small lump of metal compared to a similarly powerful conventional reciprocating piston engine, enabling more of the car's overall length to be devoted to cabin space.

Automakers try to stop increase in ethanol limit to 15 percent of gasoline

Automakers are seeking to head off an EPA ruling that would allow gasoline to contain 15 percent ethanol, up from 10 percent now, and they've won some bipartisan congressional support. The two main automaker industry lobbies have argued that the U.S. Department of Energy has done insufficient testing to assure that gasoline containing up to 15 percent ethanol won't harm vehicles.

Interior Motives Awards 2012 judges decide shortlist

The Interior Motives Awards 2012 judging panel has whittled down a huge amount of entries into this year's competition to a shortlist of potential winners. The list can be viewed here. Over 160 aspiring young designers from 47 schools in 17 countries entered the competition, reflecting the growing recognition of the importance of the Interior Motives Student Design Awards among would-be vehicle designers.