Greenwire

The Chevrolet Volt is the best buy for hybrid and electric vehicles in 2015, according to the vehicle valuation and automotive research company Kelley Blue Book.

Environmental groups are trying to convince PNM Resources Inc. against buying the coal mine that fuels one of the most prominent coal power plants in the Southwest.

Dutch researchers are trying to produce energy by exploiting the difference between salt water and fresh water, opening a test facility today.

Oil prices are down and beef prices are up, but Canadian beef production is languishing as cowboys find higher-paying jobs in the country's booming oil fields.

Illinois regulators have approved a new 500-mile transmission line to move electric power from wind farms in Iowa to the state.

PG&E Corp. hired a new security company this month to protect a substation that was the subject of a 2013 armed attack.

The Blu-ray movie discs gathering dust in the closet could be more useful on the roof gathering solar energy, according to new research from Northwestern University.

In an effort to protect the low-lying cities of Houston and Galveston, Texas, a professor is proposing to build a 60-mile-long, 17-foot-tall dike that would restrict water entering the 1.7-mile entrance to Galveston Bay.

A Canadian rail company has sued a small North Dakota city over how long its tank cars can stop in town.

An independent audit has concluded the settlement program responsible for overseeing claims from the BP PLC oil spill has correctly processed 99.5 percent of claims, according to a report yesterday.

Supreme Court Justice Ruth Bader Ginsburg underwent heart surgery today after doctors discovered blockage in an artery, the Supreme Court said in a statement.

A Canadian antiques dealer admitted yesterday he knew black rhinoceros horns were "heavily regulated" in the United States but did not intend to get permits for two he bought from undercover U.S. Fish and Wildlife Service agents.

The National Mining Association and the American Exploration and Mining Association are appealing a federal judge's ruling in favor of a ban on new mining near the Grand Canyon.

Wood bison -- North America's largest land mammal -- will soon roam Alaska's marshy Arctic lowlands where the beasts haven't been seen in more than a century.

A congressional proposal to pay down much of Amtrak's debt early would cost about $500 million over four years, although it could generate long-term savings more than equal to that amount, the Congressional Budget Office said in a new estimate of the cost of a reauthorization bill for the passenger railroad.

Colorado's two Democratic senators yesterday asked President Obama to consider using his executive powers to protect Browns Canyon along a stretch of the Arkansas River popular among anglers and whitewater rafters.

Venezuela's state oil and gas company has brought on a well-connected lobbying and public relations firm as it squares off with sanctions legislation in the Senate.

Attorneys general from 17 fossil-fuels-heavy states submitted joint comments to U.S. EPA yesterday, decrying its Clean Power Plan proposal as a bid to usurp state authority over the power grid.

U.S. EPA yesterday released a long-awaited plan for assessing how much cash-strapped communities can afford to pay for legally required upgrades to water infrastructure.

The apparent collapse yesterday of wide-ranging tax discussions just as congressional negotiators were on the cusp of a deal leaves hanging in the balance a framework that would have phased out a key energy incentive over the next several years.

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