It's standard for older diesel engines to emit black smoke under full load, which occurs during "turbo lag." As the diesel engine waits for the turbo to spool, the machine will blow thicker black ...
Motoring Chronicle on MSN
Why your exhaust smoke colour reveals what is actually wrong with your car
White smoke that smells sweet and appears with the engine warm usually points to a blown head gasket letting coolant into the ...
At some point warm mix asphalt may be routinely specified by state DOTs, and will likely provide an answer to issues with blue smoke - but a simple and cost-effective solution for asphalt plants is ...
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