Audi A3 TDI: The entry-level luxury A3 becomes one of the most efficient vehicles in its class with the addition of Audi's smooth 2.0 TDI engine. This engine produces 140 horsepower and an impressive 236 pound-feet of torque, and it's smooth on the freeway so...

Cadillac Escalade Hybrid: The hybrid Escalade seems like a bit of a contradiction in terms, given this sport-utility's philosophy of conspicuous consumption. Still, there is something to be said for having your excess and respecting the environment, too. The Escalade Hybrid uses a similar electric motor-assist system...

Fisker Karma: Fisker burst onto the scene just two years ago with plans to offer the first luxury plug-in hybrid, and along with Tesla, has gone a long way toward helping to make the electric car sexy. The Karma luxury sedan is due to enter production in the...

Honda CR-Z:  Honda returns to two-seat sports cars with the CR-Z…sort of.  The chopped-off hatchback bodywork and name call to mind the CR-X of the 1980s, but the the 122-horsepower 1.5 liter four-cylinder with Honda's Integrated Motor Assist hybrid-electric drive is one hundred percent modern.  A...

Lexus HS250h: Though Lexus has made a name for itself as the primary manufacturer of luxury hybrid vehicles, the HS250h is its first dedicated hybrid. The HS250h comes off like a luxury Prius, with Lexus' familiar styling cues and attention to detail coupled with a hybrid system that's...