Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Groupon vouchers for cars? No

The Groupon juggernaut rolled into auto retailing last week, and dealers around the nation watched intently to see whether the online coupon phenomenon could drive herds of shoppers into showrooms. So far, no. Only four consumers agreed to pay $200 for a $500 discount voucher on a new-vehicle purchase at LaFontaine Buick-GMC-Cadillac in Highland, Mich.

BMW's N20 engine--four cylinders, more power

More power, greater torque, reduced fuel consumption, lower tailpipe emissions and less weight--but better? Before driving the BMW X1 xDrive28i, the first model to feature the German carmaker's new turbocharged 2.0-liter four-cylinder gasoline engine, we weren't so sure. The new engine, known as the N20 and set to lead a return of four-cylinder BMW models to North America for the first time since 1998, has been conceived to (indirectly) replace the company's long-running naturally aspirated 3.0-liter inline six-cylinder.

Brussels Motorshow 2008

By Graeme Dykes Motor Shows 24 January 2008 23:29 Running from January 17th-27th, the Brussels Motorshow is probably the first European motorshow of the year. Comparisons with Detroit are perhaps unfair but almost inevitable. There was certainly plenty of glamour with Ferrari, Maserati, Porsche and Lamborghini amongst the exotic participants.