We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are ...

The 2004 Mazda RX-8 arrived as a high-stakes bet that sports car buyers would still embrace a rotary engine in an era tightening around emissions, reliability and practicality. Mazda wrapped its ...

Knowing a few precise mechanic terms can turn a confusing estimate into a clear conversation and keep you from paying for work you do not need. By understanding what these 14 concepts actually mean, ...

Technology developed in Donegal is helping to provide clean drinking water in Uganda and could be rolled out to other countries next year. Since 2019, researchers at the Atlantic Technological ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Michael Sullivan Michael Sullivan is a writer covering kitchen equipment and ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By James Austin and Ellen Airhart The best way to clean tile and grout in your ...

Half advice show. Half survival guide. Half absurdity-fest. (Wait, how does this work again? We're not numbers people.) Each episode, we answer all your burning questions, from how to survive a public ...

We have tried and tested the best electric toothbrushes — here are the 12 models to buy in the New Year's sales. When you purchase through links on our site, we may earn an affiliate commission.