(BEIJING, Jan. 24) -- A total of 245 days having Grade II or better air quality are expected in 2007, said Shi Hanmin, director general of Beijing Environmental Protection Bureau on a press conference held here on Wednesday.

To fulfill the "blue sky" target featuring sixty-seven percent of the whole year, the authority will mainly strengthen the efforts on 300,000 vehicles with high-level emissions in the city.

Also according to Shi, a move has been underway now to implement a higher standard emission control (equal to Europe Standard IV) will be take effect in 2008 to tackle heavy polluted emissions released by cars.

In addition, Beijing will enhance tighter controls on smoke, relocate heavy industry firms and rejuvenate coal stoves in hutong areas as well as fully promote clear energies in rural areas.