The Trump administration is moving to pull back some promised federal funding from high-speed rail projects in California and Texas.

The Universal Sports Institute in Yorba Linda was meant to keep and attract students at a time when enrollment and funding are falling. Some school board members aren’t sure the program is a good investment.

Although her business premises were destroyed, Shelene Hearring’s students helped her understand that “all the spirits, all the energy, all the love, all those years were still living.”

Concentrated solar power was one of several technologies that showed promise. Ivanpah's main buyer is pulling out to save customers money.

A look at how cities, farmers and compost brokers help close the loop on organic waste.

Companies that make gas-powered vehicles need regulatory credits. Tesla and Rivian have plenty to sell to them.

Many high-risk homes are in areas that are desirable because of location and home demand still outstrips supply.

While a handful of states are working to electrify trucking, that effort has largely focused on new electric trucks rather than converting older ones.

A UCLA report estimates $75 billion in insured losses alone, far more than the next four most destructive California wildfires combined.

The home construction market has already been dealing with shortages of skilled labor and building materials, along with expensive construction loans. Those factors will add to the costs of rebuilding communities destroyed by fires.