ByMark Stevens Modern diesels aren’t the sooty smoke machines of old. Though black exhaust plumes seem dirty, gasoline engines emit invisible emissions too. Properly running trucks with common-rail diesel engines should discharge…
ByAl Seizovic Maybe you’ve seen it: accelerating from a stoplight, a car ahead is spewing a bunch of blue-colored smoke from the tailpipe. It’s not extreme, like a smoke bomb, but it…
ByMark Stevens White smoke from your car’s exhaust can mean harmless moisture or an urgent engine problem. But it’s a good idea to not assume the first so don’t ignore it. While…
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