Roasting coffee requires high temperatures — up to 500 degrees Fahrenheit for as much as 20 minutes per batch. Today, the vast majority of that heat is generated by fossil fuels. Most of the world’s ...

Rex Roaster has opened preorders for a 4-pound electric drum machine designed in California and built in Idaho.

Add Yahoo as a preferred source to see more of our stories on Google. Some people had sourdough to help get them through the pandemic. Zach Whitney had coffee beans. The former barista began ...

Roasting coffee may smell amazing, but the process has long been a dirty one — with most roasters powered by fossil fuels that emit significant carbon pollution. One California startup is changing ...