The new leader of the nation’s environmental agencies is a vocal opponent of climate policy and emissions standards. Zero-emission vehicles were a top industry concern in 2024, so how will this new ...

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 ...

Coal plants churned out more electricity. Power-hungry data centers and cryptocurrency mining operations drove up demand. And colder winter temperatures meant more furnaces working overtime. After two ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

This all-purpose presence sensor is a master at monitoring indoor activity and linking it to smart home features you already use. Tyler has worked on, lived with and tested all types of smart home and ...

Aqara has announced the Spatial Multi-Sensor FP400, a new presence sensor that it says is precise enough to suss out whether you’re sitting, standing, or lying down. The FP400 builds on several past ...

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 ...

A large majority of S&P 500 companies revise their annual greenhouse gas emissions disclosures, raising serious questions about the quality of climate-related data and the efficacy of America’s ...

The projected rise in CO2 emissions in 2025 is driven by growth in coal, like the coal-fired plant pictured, as well as oil and gas, according to the 2025 Global Carbon Budget Report. Global carbon ...

Chief Research Scientist, CSIRO Environment; Executive Director, Global Carbon Project, CSIRO Pep Canadell receives funding from the Australian National Environmental Science Program - Climate Systems ...