1961-1980 Oldsmobile 442 Cutlass 98 Delta 88 Toronado New Oil Pump M22f on 2040-parts.com

GM's Ed Welburn walks Jay Leno through the Elmiraj concept's design [w/Video]

General Motors' vice president Global Design Ed Welburn stars in the latest of the 'Jay Leno's Garage' YouTube series, running the talk-show host through some of the new Cadillac Elmiraj concept's design features and what it means for the brand's future. We get a look at all the classic Cadillac design cues such as the vertical headlamps and tail lamps as well as the central hard crease that Welburn says is "important in every Cadillac". Leno and Welburn then move onto the Elmiraj's features, such as the large doors' integrated handles and the slimmer A-pillars before a more in-depth look at one of the concept's most striking features – the grille.

BMW revives four-cylinders for better mileage

BMW is bringing four-cylinder engines back to the U.S. market as one response to the scheduled increase in fuel-economy regulations. BMW quit selling the four-cylinders for its 3-series lineup in 1999 because of low demand, but gasoline cost only $1.14 per gallon at the time.

Leaked photos may show the 2014 Mazda 3

Mazda might not have planned on revealing the 2014 Mazda 3 lineup until next year, but photos showing the redesigned sedan and hatchback may expose the car’s lines a few months ahead of schedule. If the images are to be trusted, the Kodo design language—readily apparent on the upcoming 2014 Mazda 6 sedan and wagon—will make the jump to the smaller, less expensive Mazda 3 as well. Gone is the controversial “smile” grille worn by the 2012 Mazda 3.