Energy Efficiency – Page 3

New Energy Efficiency Rules Spell End of Incandescent Era

New efficiency rules, more than a decade in the making, have taken effect, relegating Edison’s glowing orbs to the history books.

What if utilities just gave money to people to reduce their power use during peak hours?

Passenger cars dominate the electric vehicle market, but light delivery trucks could benefit from the cost savings and range E.V.s offer.

A down-to-earth couple in California asked for a structure that was guaranteed to be net-zero energy.

Homes and offices have huge climate footprints. There are many ways to fix that.