How much does a catalytic converter shield cost on a 2024 Toyota Prius? And how does it change the car’s performance? We ...

Most vehicles need catalytic converters not only so they perform at their best, but also because it's the law. Here's how they work and why they are required.

A groundbreaking discovery by scientists at the University of California Riverside (UCR) has paved the way for cleaner ...

For days, the city of 14 million people has been enveloped by smog, a mix of fog and pollutants caused by low-grade diesel fumes, smoke from seasonal agricultural burning and winter cooling. Air ...

The Punjab authorities struggle to bring the smog levels down in Lahore as the city topped the global pollution charts on Sunday, with an even higher air quality index (AQI), indicating alarming ...

Learn about our editorial standards and how we make money. Find the best home and flood insurance companies in your area, learn about the average cost of home insurance where you live, and more with ...

If you were a victim of this, here’s how you can ensure that you don’t receive an unapproved replacement part — and then have to buy another one. Check your part. NADA says ...

Defects 2 years/24,000 miles Federal emissions warranty: Performance 2 years/24,000 miles California emissions warranty*: Defects 3 years/50,000 miles, 7 years/70,000 miles, PHEV only — 15 years ...

The state plans to use sustainable aviation fuel produced in California and in other states to meet the new targets. The announcement comes after some airline workers and advocates said the state is ...

Emissions from cars and trucks account for the majority of greenhouse gas releases from transportation. California Gov. Gavin Newsom, a Democrat who often touts the state’s status as a climate ...