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 ...

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 ...

The first thing to do when your mower starts smoking is to switch it off and look at the colour of the cloud, because the ...

Millions of horrified Americans have watched clear blue skies morph into thick orange fogs in recent days as wildfires in Canada and a stalled low-pressure weather system have sent thick plumes of ...