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

U.S. new car sales surge at fastest pace in nearly 7 years

U.S. sales of cars and light trucks surged 9 percent in November 1.24 million units and rolled off dealership lots at the fastest pace in almost seven years. The industry's annualized sales rate, adjusted for seasonal factors, rose to 16.4 million last month, up from 15.3 million a year earlier and easily topping analysts' forecasts in the 15.8 million range.

Making the list: AW's Holiday Gift Guide

We're sure there's a gearhead or two on your shopping list for the holidays. Or maybe you just want to eliminate the uncertainty and give yourself a gift. Either way, we're happy to offer some inspiration on clothing, tools and cool things to get for your high-octane friends and family.

Mercedes fixes diesel injector problems

Mercedes say that a new injector system for C Class and E Class diesels with the OM651 engine have now been fixed. So extensive was the problem that many owners were waiting months for their cars to be fixed as Mercedes struggled with a mounting pile of broken cars and injectors that were failing. Mercedes tell us that the problem was fixed with the release of new injectors later in 2010, but Cars UK readers have continued to complain about their cars needing multiple visits to dealers with injectors failing multiple times (that original story garnered more than 500 comments from disgruntled Mercedes owners).