Taylor Thomas was diagnosed with severe asthma at the age of 7. Growing up in Long Beach, California, she needed inhalers and nebulizers and often had to miss recess. Still, Thomas said it wasn’t ...

Today, the American Lung Association released a new report, "Getting Health on Track: Cleaner Locomotives for Healthy Air." ...

Volunteers spent nearly a year rebuilding the diesel engine that once kept Andersen’s Bayport factory on track.

The Journal column skewered the Air Resources Board’s plan to restrict train pollution by forcing old freight locomotives off the tracks and making rail companies adopt zero-emission technology and ...

The diesel-electric locomotive has been a mainstay of freight railroads and many passenger railroads for over a century. These locomotives have proven to have a great mix of power, fuel economy, and ...