SeQuential travels to local businesses in Oregon and Washington to buy waste cooking oil that it converts into biodiesel for cars and trucks – and sells at its stations.
Hurricane Irene knocked out power to some 6.7 million people in 13 states and Washington, D.C. Some states have moved faster than others to restore power, for a variety of reasons.
Bankruptcy of Solyndra, once touted by President Obama, is third failure of a US solar firm this month. Bankruptcy will serve as fuel for critics of government stimulus.
Gas prices rise to average $3.63 a gallon nationally. In a year, gas prices have risen 95 cents.
Some 5.5 million people were without power in the wake of hurricane Irene Monday, but damage-forecasting models aimed at improving power companies' response are showing promise.
According to the US panel, 'fracking' to release gas deposits in shale can be done in an environmentally responsible way. The industry hailed the report as refuting shrill critics, but environmentalists decried 'advocacy-based science' by a panel tilted toward the industry.
East Asia is home to several territorial disputes, which occasionally escalate into regional violence. Many of the island territories are small, isolated from the countries’ mainlands, and sparsely populated. But strategic interests and abundant natural resources make them valuable. Here are five of East Asia’s flashpoints:
As America blasts its ACs and put its fans on overdrive to try to cope with the heat wave, it will use a lot of energy – which costs a lot of money. More than 40 percent of a typical home’s utility bill goes toward cooling costs. But it’s possible to keep energy costs down and still stay cool – even during a heat wave. “You can save money by saving energy,” says US Energy Secretary Steven Chu. Here are four tips.
House Republicans are attempting to repeal energy-efficiency standards that would phase out the least efficient – and least expensive – incandescent light bulbs. They see the regulations as another example of government meddling.
The Department of Energy, aiming to boost US competitiveness, gives a $150m. loan guarantee to a Massachusetts firm that has found a way to dramatically reduce the cost of solar voltaic cells.