Salt River Project hopes to convert a coal-fired unit to natural gas at Springerville Generating Station, one of Arizona's last remaining coal plants.

Some wait until a certain date to reach for the thermostat. Others until the temperature drops below a certain point.

General Motors is abandoning its BrightDrop electric delivery vans, just four years after introducing the vehicles. The company announced Tuesday alongside third-quarter earnings that it made the ...

The Rivian founder and CEO expects the small SUV R2, priced from $45,000, to be fully competitive with Tesla’s top-selling Model Y when sales begin early next year. Rivian has had a rocky time since ...

LONG BEACH — Long Beach Wilson football coach Raudric Curtis knew his senior quarterback Mack Cooper was prepared to help his team beat Long Beach Poly in the crosstown rivalry game. That’s why with ...

This video introduces an electric conversion kit developed for the Porsche 911. The system is designed to replace the combustion engine with a modern electric drivetrain while preserving the original ...

So far, we’ve driven the new electric Porsche Cayenne on- and off-road and have plunged deep into its technical details. Continuing the slow intravenous drip of electrified Cayenne tidbits, here’s our ...

This video features the electric conversion of a Triumph Vitesse, blending classic British design with modern EV technology. The project highlights motor installation, battery placement, and system ...

Colorado and over 20 other states have banned the practice aimed at changing the sexual orientation or gender identity of young people. Ann E. Marimow Reporting from Washington A central question for ...

The Supreme Court appeared open to a Christian counselor’s free speech challenge to Colorado’s conversion therapy ban for minors during oral arguments Tuesday. Several members of the court’s ...

The US Supreme Court heard a case Tuesday that will determine whether a Colorado law that prohibits licensed mental health professionals from providing conversion “therapy” to minors is constitutional ...