Business & Technology

Climate & Energy

America doesn’t import its oil from where you think it does

And the source of oil differs depending on the region of the country you live in.

Climate & Energy

140 nations — including the U.S. — agree on treaty to slash use of mercury

The U.N. agreement -- still to be signed -- would cut mercury in power production and common manufacturing processes.

Business & Technology

Baby, you can drive my car: How car sharing teaches us to be good neighbors

Remember when technology was going to shred our social fabric? Well, here’s an example of how it might be doing just the opposite.

Living

Ask Umbra: Should I sell my Exxon stock?

A reader wonders if it’s unethical to hang on to Big Oil stocks, and if shareholder activism does any good. Umbra offers some centsible advice.

Business & Technology

In Detroit, automakers gear up to meet new fuel-efficiency standards

On display at the Detroit Auto Show is evidence of gas guzzlers adopting fuel-saving technology made famous by the Prius.

Business & Technology

Boeing’s efficient Dreamliner planes are especially efficient at battery fires

The 787 is designed to be a "super-efficient" airplane, but the batteries that make that efficiency possible have been causing big problems.

Business & Technology

Winterize your bike in under a minute with snap-on snow tires

Hardcore bikers want to keep pedaling to work even in snow and ice, but most of them also want to make it there with intact skulls.

Climate & Energy

Oil companies turn to trains instead of Enbridge’s leaky pipes

Canadian pipeline company Enbridge is losing business as oil companies increasingly ship their product by rail instead of pipeline.

Climate & Energy

U.S. military gets serious about microgrids … which is more exciting than it sounds

The military is working to make its bases energy self-sufficient through the deployment of "microgrids." What it learns will be useful to civilians as well.