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

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 ...

From reproductive rights to climate change to Big Tech, The Independent is on the ground when the story is developing. Whether it's investigating the financials of Elon Musk's pro-Trump PAC or ...

Kitchen roll critic, cleaning gadget guru and loo roll expert, Hardeep has tackled 100-plus stains, and isn't afraid to make a mess and clean it up. The best cleaning sprays will leave your bathroom ...

We earn commissions from purchases you make using links in our articles. Learn more. Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Ellen Airhart Ellen Airhart wrote about emergency preparedness and sanitation.

Apple has your health in mind when it comes to the Apple Watch, which is why it added a blood oxygen sensor starting with the Series 6. This technology can tell if you’re getting enough oxygen to your ...

Clogged injectors can cause a myriad of issues for your engine—it needs a consistent flow of fuel to run properly. Sometimes, simply pouring a can of injector cleaner into your gas tank before a ...