In a dramatic policy shift, Tucson Electric Power says it will stop using coal to generate electricity by 2032 and will increase renewable energy’s share of its energy load to more than 70% by 2035.

Brookhaven National Laboratory have discovered a new recipe for catalysts that could dramatically improve the performance and durability of fuel-cell vehicles—especially trucks and other heavy-duty ...

There isn’t a lot of romance in getting to a destination today, and that’s sad. Planes feel like flying transit buses, and ...