Modern diesel engines are powerful, clean, fuel efficient, and increasingly backed by federal tax incentives. The Mercedes-Benz GL320, R320 and ML320 Bluetec qualify for the credit, according to Automotive News , which reports the credits range from $900 to $1,800. The IRS does not yet feature the Mercedes...

Ford has added a new contender to its ever-expanding family of crossovers, which already includes the recently renamed Taurus X (formerly Freestyle) and the new-for-’07 Ford Edge . Set to go on sale this summer, the full-size Flex lives up to its name for its completely customizable nature. Low-slung...

At the upcoming 2008 New York International Auto Show , Mercedes-Benz will showcase its growing range of SUVs and three-row people movers. Freshened styling on the M-Class may stand out in pictures, but it is what’s under the hood that makes the 2009 M-, G-, and R-Class models worth a closer look. We...