In addition to indicating a possible problem, smoke from the tailpipe means dirty emissions. Most states and some municipalities mandate periodic tailpipe-emissions testing. If your car is emitting ...

Mazda’s Vision X-Coupe concept revives the rotary engine with a hybrid setup and carbon-capture tech that claims to clean the ...

Stellantis’s new Hurricane 4 uses a few high-tech tricks—unusual in an engine that will be produced by the hundreds of thousands—to make significantly more power than competitors’ boosted ...

Home expert Melissa Maker shares her top picks for smart home helpers — from Dyson and LG to Dreame and beyond.

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Michael Sullivan Michael ...

If you’ve been dissatisfied with the quality of your coffee lately, consider the fact that it may not you, the beans, your measurements or water. It could just be your machine’s cleanliness. Take it ...

Clean-room specification for a tridimensional chess engine, Tridimensional Chess Engine (Clean-Room Spec) Modular engine architecture for simulating and analyzing tridimensional chess across floating ...

Want more deals? Visit CNN Underscored’s Guide to Prime Big Deal Days for wall-to-wall coverage of the best discounts to be found during Amazon’s massive sale. Even in the last hours of Amazon Prime ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Liam McCabe Liam McCabe has ...

That daily cup of coffee or tea is essential to the morning routines of so many of us — yet you may not know that your at-home coffee maker could be harboring some nastiness that’s affecting its ...