Volvo's two coupés, the sporty C30 and the classy C70, have both been updated for the new model year. For the C30, there's a new engine, the 2.0F.The Flexifuel engine can operate with any mixture of super gasoline and bio-ethanol E85. The changes on the larger C70 are mostly aesthetic, which subtle design changes intended to make the car even more elegant. drive it! took a closer look at both.