Diesel Exhaust Fluid has an expiration date, after which it becomes far less effective and can even damage your engine.

Mazda has a neat idea for what is basically a CO2 diaper that could be part of combustion-engine exhaust systems.

Catalytic converters are an important part of your car's functioning exhaust system. Here's how they work and why their parts ...

Ferrari has a patent filed for a side-exit exhaust and we have a peek at what it might look like, why side-exhausts are ...

This Audi RS3 Sportback fitted with an Armytrix exhaust system unleashes raw sound and aggressive backfires. From sharp revs to flame-spitting pops, this five-cylinder hatchback is anything but subtle ...

Discover the exhilarating world of the FIAT Abarth as we delve into the incredible performance of its insane stock exhaust ...

Mazda’s mobile carbon capture device already shows promising results, and is ready to be integrated into future models.

Coupe, runs on microalgae biofuel and features a carbon-capture device at the back that collects CO2 from the exhaust gases.

Porsche patented 'tunnel operating mode' to enhance driving experience through sensory and aural effects. The system offers ...

Astrophel Aerospace is creating scalable cryogenic hardware for launch systems, LNG, hydrogen fueling, and high-pressure gas ...

No, it did not involve Ozempic. Yes, it could have an outsized impact on the awesome off-roader’s handling and overall ...

The new Dodge Charger is a deeply confounding car. There is no denying the laundry list of faults we found in the Daytona EV, yet despite them, its innate charm worked magic on many of our editors.