In 2026, the gap between professional diagnostics and DIY capability has narrowed significantly, thanks to a new generation of Bluetooth OBD2 scanners and smartphone apps that cost less than a tank of ...

The U.S. Environmental Protection Agency (EPA) last week issued guidance that drops the requirement for Diesel Exhaust Fluid (DEF) sensors as part of a truck's aftertreatment system and allows truck ...

Is your houseplant thirsty? Are crops getting enough water? Is a forest at high risk of wildfire? Leaf health can answer all these questions, and researchers at The University of Texas at Austin have ...

The Wisconsin Vehicle Inspection Program announced the launch of two self-service kiosks for vehicle emissions testing.Drivers with vehicles from 2007 and newer can conduct their own tests at kiosks ...

Virgin Media O2 (VMO2) has flicked the switch on O2 Satellite, a satellite-to-mobile service powered by Starlink Direct to Cell, in a move that extends the operator’s landmass coverage from 89% to 95% ...

With the Trump administration effectively dismantling automotive emissions regulations, cars on dealership lots could see some changes. Your next car could be bigger, with fewer fully electric options ...

The Trump administration has repealed an EPA rule that classified carbon dioxide and five other greenhouse gases as a threat to public health. The endangerment finding underpinned regulations that set ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

In a reversal from previous years’ pollution reductions, the United States spewed 2.4% more heat-trapping gases from the burning of fossil fuels in 2025 than in the year before, researchers calculated ...

After more than two years of progress on reducing greenhouse gas (GHG) emissions, the U.S. is on track to record an estimated 2.4 percent increase in 2025 compared with 2024, according to a new ...