Standards tighten but light trucks retain gas guzzler tax break. New fuel economy standards require automakers to improve the mileage of pickup trucks, vans, and SUVs - but many of the vehicles will still be exempt from a tax designed to discourage automakers from producing gas guzzlers. [News Source]

Fuel standards for some suvs to be toughened. For the first time ever, some of the largest sport utility vehicles on the road will have to meet a federal standard that gauges how much fuel they consume. [News Source]

New gas mileage marks to test big-vehicle makers. The federal government is raising fuel economy standards for most pickup trucks and sport-utility vehicles an average of 11 percent over four years, starting with the 2008 model year. [News Source]

New hurdle: better mileage. As U.S. automakers cope with one of the most tumultuous periods in the industry's history, they now face a new hurdle -- improve the fuel efficiency of their trucks, minivans and SUVs. [News Source]

Fuel rules aim to close SUV loophole. The largest gas-guzzling sport-utility vehicles on the highway will be subject to tougher fuel economy standards, along with other light-trucks and vans. [News Source]

Wind: taking sides can be tricky. Commercial wind power in Vermont is putting environmentalists in a tough spot. [News Source]

CO2 emissions rose in 2005. The British government on Thursday said the country's emissions of carbon dioxide crept up last year in the third consecutive annual increase. [News Source]

States move to cut greenhouse gases. The argument about global warming is over - the question is how can we reduce our emissions of greenhouse gases. [News Source]

Climate deal to fail without US, China and India: Blair British Prime Minister Tony Blair called Wednesday for an international agreement on tackling climate change, but warned that any deal would fail unless it included the United States, China and India. [News Source]

Japan turns out the lights! Japan's Environment Ministry has a new rule aimed at cutting greenhouse gas emissions: lights out at 8 pm. [News Source]

Canada’s conservation capital. Cochrane, a town already known for its efforts to impact and protect the environment, took another step in that direction on Monday as council passed new bylaws that will affect how much people pay for water and wastewater services. [News Source]