Can you judge a wearable by its cover? Apparently, yes.

A grinding noise when starting your car often indicates a worn-out starter drive. Difficulty filling a gas tank may be caused by a problem with the fuel-filler door mechanism, not just the EVAP system ...

Autoimmune diseases have long been framed as failures of immune tolerance, but a growing body of evidence suggests that the real story unfolds in the tissue itself. A new review published in ...

My 2016 Honda Accord has the four-cylinder engine and 112,000 miles on it. The car is throwing a P0420 code, catalyst efficiency below threshold.

I asked 115,000 Chevy Silverado and GMC Sierra owners whether they want a dipstick or the screen readout on the 2027 ...

A muscle oxygen sensor straps over a working muscle and uses near-infrared light to estimate the oxygen saturation of the tissue beneath it, known as SmO2. The reading reflects the balance between ...

GM's new 5.7 and 6.6 liter Silverado V8s have no dipstick, and they take thicker 0W30 oil than your old truck's 0W20. Here is ...

There has been a dramatic increase in the use of air sensors to measure air quality, however, it is widely known that sensor data quality is highly variable. The lack of consistent testing protocols ...

EPA conducts research to advance the development and application of air sensor technologies, with the goal of making them useful for a wide variety of non-regulatory applications. These include ...

There are numerous sensors installed in your vehicle that measure conditions within the engine and exhaust system. Each sensor plays a role in monitoring a specific process. In the case of oxygen ...

A catalytic converter is one of the most expensive parts hiding in your exhaust system. It uses platinum, palladium, and rhodium coated onto a ceramic honeycomb. These metals trigger chemical ...