Ryobi 4V USB Lithium batteries are really convenient and easy to recharge and have a really easy way to see if they are fully ...

The most recent scammy gadget that came across my workbench was an "advanced electromagnetic antifreeze snow removal device." A relative of a friend of mine bought the device, wondered why it didn't ...

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

Scam "power saving" devices are rampant online. These devices plug into an outlet and promise to "improve the use of energy," "extend the life of electrical equipment," and even "avoid illegal ...