The US Environmental Protection Agency (EPA) revealed yesterday (30th June) that it has given California the green light to implement its own tough emissions standards.

President Barack Obama announced in May that new national regulations requiring vehicles to attain 35.5 miles per gallon by 2016 would begin to be phased in from 2012.

However, California has long sought to be a leader in the drive to reduce harmful emissions and the EPA's decision will now allow it to implement its laws immediately.

EPA Administrator Lisa Jackson said: "This decision puts the law and science first. After review of the scientific findings and another comprehensive round of public engagement, I have decided this is the appropriate course under the law."

The California regulations, which will first target cars built in 2009, will cover much of the US as 13 other states and the District of Columbia have agreed to adopt them.

Some commentators described the verdict as a snub to the Bush administration after the EPA vowed to return to "a traditional legal interpretation of the Clean Air Act".

The previous government had steadfastly refused to implement mandatory limits on emissions, while also denying California the waiver last year after a request in 2005.

However, the news should see automakers focusing on developing new-age fuel-efficient vehicles, despite their concerns over dealing with different rules across the country.

"After being asleep at the wheel for over two decades, the federal government has finally stepped up and granted California its nation-leading tailpipe emissions waiver," said California Governor Arnold Schwarzenegger.

The news arrived just four days after the House of Representatives approved new legislation designed to tackle climate change.

Sources:

EPA approves California auto emissions standard (30/06/09)

EPA Allows California Vehicle-Emissions Rule to Go Forward (30/06/09)

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