30/08/2008 11:15. RÜSSELSHEIM, Germany — Opel, General Motors' European subsidiary, has unveiled the first vehicles to wear its environmentally conscious Ecoflex nameplate: the 2009 Astra and Corsa.

The Astra, which is available as a three-door, five-door or station wagon, will feature a 1.7-liter turbodiesel engine that makes 110 horsepower and 192 pound-feet of torque. The impressive part is that it will only emit 119 grams per kilometer of CO2 while getting more than 52 mpg. Opel achieves this by making the axle ratio longer, optimizing the engine management system and lowering the engine idle... // Edmunds.com/Inside Line