The RUF SCR 4.0 looks like a classic Porsche 964, but under the skin, it’s a full carbon-fiber supercar. With 510HP, a manual ...

Call it pre-need planning. When Detroit Diesel rolled out its DD15 engine in October 2007, the company said it was a clean-sheet design, birthed EPA-'07-compliant and 100 percent ready for EPA-2010 .