Big tractor-trailer trucks will have to get 20 percent more miles per gallon by the 2018 model year under the first-ever fuel economy rules for heavy vehicles, announced Tuesday by President Obama.

New leadership from outside Detroit was a deciding factor in the Big Three automakers’ acceptance of strict new fuel-economy standards, the chief executive of Chrysler said Wednesday.

Automakers have agreed to produce by the quarter-century mark the most fuel- efficient cars and trucks ever that will leverage new designs and technology, but still rely heavily on gasoline engines

Several major auto makers on Friday embraced the Obama administration's proposal to push the industry further away from once-dominant gas guzzlers to more lean and efficient vehicles.

President Obama announced new automobile fuel-efficiency standards on Friday that require an average 54.5 miles per gallon by 2025.

The US President, Mr Barack Obama, has said that the increasing demand of oil in countries like India and China is leading to the rise in oil prices.

The Obama administration has reached a compromise with automakers on a new fuel economy target for cars and trucks, ending months of negotiations on this pivotal mandate for the auto industry.

The Obama administration and automakers are nearing an agreement to increase fuel economy standards for vehicles to 54.5 miles per gallon by 2025, a lower target than the White House had sought.

American Airlines has hit out at the EU’s plan to bring almost every leading airline into its scheme to limit carbon emissions, describing Brussels’ move as an “unwise” proposal for the “beleaguere

Secretary of State Hillary Clinton pushed one of her simplest but potentially most transformative diplomatic priorities in India on Wednesday: clean cooking stoves.

Clinton, who last year launched a $50 million U.S.