Learn the pros and cons of biodiesel vs. diesel, what's driving the market, and why you might want to consider making the transition to biodiesel yourself.

To find out if your exhaust system is blocked, you can measure the exhaust back pressure with a back pressure gauge. Generally, when idling, exhaust back pressure should not exceed 1-1/4 PSI.

A waiver from the federal government has long allowed California to set its own stricter tailpipe emissions. But now, fuel companies are suing. On Wednesday, the Supreme Court will weigh whether ...

About three-quarters of the energy produced by a typical combustion engine is lost through heat and released through a car’s exhaust system. But what if some of that heat could be captured and ...

It’s about time. Rolling back strict tailpipe emissions standards would free automakers to sell what the market demands. By Ashley Nunes Updated March 24, 2025, 3:00 a.m.

However, there are some who’ve attached shop vacs to their car’s exhaust system. And due to the fact that this person in the Reddit clip is at a car wash, it might make sense.

He announced later that the agency would reconsider the Biden-era clean power plant rule that seeks to reduce carbon emissions from power plants and roll back greenhouse gas emission standards for ...

Earlier this week I asked you fine people to share your favorite factory exhaust designs, inspired by Bugatti releasing an option package for the new Tourbillon hypercar that gives it eight round ...

During remarks he delivered yesterday in Tampa, Florida, Governor Ron DeSantis slammed the former Biden Administration for offering up to $320 Million to the state of Florida for 'green' programs.

A team of scientists has created a device that captures the heat coming off your tailpipe and turns it into electrical energy By Owen Bellwood February 17, 2025 3:25 pm EST ...

Thermoelectric Energy Harvesting for Exhaust Waste Heat Recovery: A System Design. ACS Applied Materials & Interfaces, 2025; 17 (3): 4904 DOI: 10.1021/acsami.4c18023 ...

Summary An active exhaust system adjusts exhaust flow and sound to enhance vehicle performance and driver comfort. By using electronically controlled valves to manage exhaust flow dynamically, the ...