Why diesel? As noted in a recent statement by AAA, diesel engines generally get around 30% better mileage than their gas counterparts witha “corresponding decline in carbon dioxide emissions.”
BMW has beefed up its high-performance diesel line, dropping new turbocharged six-cylinder engines into the 335d and X5 — the former available as a sedan, coupe or convertible and the latter sporting a new eight-speed automatic transmission.
Infiniti's first hybrid, the elegantly aggressive 2012 M35h midsize sedan — a gas-electric version of the M37 — gets up to an estimated 30 mpg with a 3.5-liter V-6 and combined 360 horsepower. An impressive roster of standard features includes leather upholstery and a moonroof.
Lexus recently augmented its luxury hybrid ranks with the all-new 2011 CT 200h, a sporty premium five-door compact with a base sticker price of less than $30,000 and extreme green credentials: The CT 200h gets 43 mpg in city driving and 40 highway with a ferocious little 1.8-liter engine.
"The CT 200h is expected to lead the class in fuel economy and deliver low emissions, but the CT 200h isn't just about being a hybrid, it's about having fun," said Mark Templin, Lexus Division group vice president and general manager. "The stylish CT 200h has an attitude and driving dynamic unlike any other Lexus hybrid. It will excite eco-conscious young consumers and symbolize urban luxury living."
Lincoln weighs in with the 2011 MKZ Hybrid, an all-new midsize luxury sedan that offers all the comfort and amenities that lovers of this iconic brand have come to expect — heated and cooled leather seating is standard — along with a remarkable 41 mpg in city and 36 highway. The 2.5-liter I-4 gas engine works with the electric motor to achieve 191 horsepower.