U.S. Proposes 24% Increase in Fuel Economy of Trucks by 2027

Asking the trucking industry to do more to cut the emissions that add to climate change, the Obama administration on Friday proposed a 24 percent increase in fuel-economy requirements for tractor-trailers over a decade.

Court throws out lawsuits challenging climate plan before it was final

A federal appeals court on Tuesday threw out a pair of high-profile lawsuits challenging the Obama administration’s sweeping plan to address climate change, saying it’s too early to challenge a proposed rule that isn’t yet final.

EPA Study of Fracking Finds 'No Widespread, Systemic' Pollution

Hydraulic fracturing for oil and natural gas has contaminated some drinking wells but the impact is not widespread, according to three-year landmark U.S. study of water pollution risks released today.

Energy secretary pushes for nuclear power

IDAHO FALLS, Idaho (AP) -- U.S. Energy Secretary Ernest Moniz championed the use of nuclear power and urged politicians and leaders in the energy industry to adapt and modernize energy production to help minimize the fallout from global warming.

US unveils sharp curbs on coal power plants

The Obama administration has proposed strong new rules targeting coal-burning power plants in an effort to curb global warming.

Keystone Delays Fuel Push for Canada East Oil Pipeline

Delays by the U.S. in reviewing Keystone XL are helping build momentum for an oil pipeline to Canada’s East Coast.

Obama Scores Third Court Victory in Air Pollution Fight

The Obama administration scored a third legal victory in less than a month in its fight to cut air pollution as regulators prepare rules to reduce emissions from power plants.

TransCanada Sees Job Cuts With Keystone Build Delayed

TransCanada Corp. (TRP) doesn’t expect to start building its proposed $5.4 billion Keystone XL pipeline this year, resulting in hundreds of job losses as construction contracts are wound down.

Keystone Review Delay Draws Angry Reaction From Backers

The Obama administration’s announcement yesterday that it was delaying a ruling on the Keystone XL oil pipeline drew an angry reaction from supporters of the $5.4 billion project, including some who said it was designed to push the issue beyond the November election.

White House Unveils Plans to Cut Methane Emissions

WASHINGTON — The Obama administration on Friday announced a strategy to start slashing emissions of methane, a powerful greenhouse gas released by landfills, cattle, and leaks from oil and natural gas production.

Iran Nuclear Talks Mired in Details of Enrichment, Arak

Foreign ministers met in Geneva on the fourth day of negotiations over Iran’s nuclear program, which remain mired in the same implacable issues that have prevented the signing of an accord in two previous rounds.

Renewable Fuels Quota to Be Cut in U.S. EPA Change

The Obama administration proposed a cut in the amount of renewable fuels that refiners must blend with gasoline next year, bowing to oil industry complaints that the targets contained in 2007 legislation were too high.

US supreme court to hear challenge to EPA climate change regulation

In a blow to the Obama administration, the US supreme court on Tuesday agreed to hear a challenge to part of the US Environmental Protection Agency's first wave of regulations aimed at tackling climate change.

Energy Department loses $42M on loan to van maker

WASHINGTON (AP) -- The Energy Department said Friday it will lose about $42 million on a loan to a now-shuttered Michigan company that made vans for the disabled.

Obama Said to Solicit States on Cutting Carbon Emissions

The Obama administration plans to solicit ideas from states on how to cut greenhouse-gas emissions as it seeks to impose standards for carbon dioxide on new and existing electric-power plants, according to people briefed on the plans.

The Next Nuclear Reactor May Arrive Hauled by a Truck

THE first commercial nuclear plant in the United States, commissioned in 1957, was just a scaled-up version of the reactors that powered submarines, and for decades afterward engineers made them bigger and bigger to maximize economies of scale.

Tax break extension breathes new life into U.S. wind power

LOS ANGELES (Reuters) - The U.S. wind industry is powering up once again after Congress extended a critical tax credit that wind companies say will save tens of thousands of domestic jobs and allow more clean energy projects to ramp up this year.

Climate Talks Yield Commitment to Ambitious, but Unclear, Actions

DOHA, Qatar — The annual United Nations climate change negotiations concluded here late Saturday after the customary all-night negotiating session and recriminations over who must bear the costs and burdens of a warming planet.

Shell gets OK for Arctic drilling prep

NEW YORK (CNNMoney) -- The Obama administration has granted Royal Dutch Shell permission to begin drilling preparations off the coast of Alaska, bringing the region a step closer to offshore oil production.

U.S. cuts greenhouse gases despite do-nothing Congress

NEW YORK (CNNMoney) -- A curious thing is happening to the air in the United States. It's getting cleaner.