We use cookies to provide you with a better experience. By continuing to browse the site you are agreeing to our use of cookies in accordance with our Cookie Policy.
It's not easy being green; nor is it cheap. Reclaiming returned products requires investments in technology and labor. But there are a lot of good reasons to make the effort.
To stay square with the EPA, makers of big diesel engines have found new ways to curb the clouds of noxious diesel exhaust. But the low-emissions engines carry a high price.
As engine makers and fleet operators work toward building and operating vehicles that reduce particulates and noxious gases, some out-of-the-mainstream ideas seem to hold at least a modicum of promise.