EPA is adopting controls on gasoline, passenger vehicles, and portable fuel containers (primarily gas cans) that will significantly reduce emissions of benzene and other hazardous air pollutants ("mobile source air toxics"). Benzene is a known human carcinogen, and mobile sources are responsible for the majority of benzene emissions. The other mobile source air toxics are known or suspected to cause cancer or other serious health effects. We are limiting the benzene content of gasoline to an annual refinery average of 0.62% by volume, beginning in 2011. In addition, for gasoline, we are establishing a maximum average standard for refineries of 1.3% by volume beginning on July 1, 2012, which acts as an upper limit on gasoline benzene content when credits are used to meet the 0.62 volume % standard. We are also limiting exhaust emissions of hydrocarbons from passenger vehicles when they are operated at cold temperatures. This standard will be phased in from 2010 to 2015. For passenger vehicles, we are also adopting evaporative emissions standards that are equivalent to those currently in effect in California. Finally, we are adopting a hydrocarbon emissions standard for portable fuel containers beginning in 2009, which will reduce evaporation and spillage of gasoline from these containers. These controls will significantly reduce emissions of benzene and other mobile source air toxics such as 1,3-butadiene, formaldehyde, acetaldehyde, acrolein, and naphthalene. There will be additional substantial benefits to public health and welfare because of significant reductions in emissions of particulate matter from passenger vehicles.