All Items Tagged

“petroleum”

Jan 21, 2011 10:22 AM ET // David Teeghman
The goal is optimistic, but doable.
Sep 24, 2010 06:30 PM ET // Cristen Conger
Calculating how long global supply will hold out is trickier than it seems.
Oct 15, 2011 09:40 AM ET // Jesse Emspak
Nanometer-thin sheets of an ordinary absorbent could make separating liquids more energy-efficient.
Mar 31, 2011 12:58 PM ET // Nic Halverson
A new technique uses microwaves to cheaply convert used motor oil into fuel.
May 29, 2011 09:53 AM ET // Emad Hanna
BMW, Ford and Chevrolet are testing a method to capture waste heat from car engines to improve gas mileage.