Dimpled pistons might sound strange, but some say they could be the future for diesel power. We've looked at the arguments ...

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 ...

Firefighters tend to focus on visible fire (like a moth to a candle). Smoke is toxic and makes it hard to see, but does not present much of a threat to a firefighter wearing protective clothing and ...