Improve the grammaticality of this sentence: For example, in 1998 the Carlifornia Air Resource Board mandated that any car companies capable of producing electric cars must ensure that 2 percent of their sales are emission-free cars.
The California Air Resources Board mandated that any car companies capable of producing electric cars must ensure that 2 percent of their sales are emission-free cars.
- The California Air Resources Board mandated that any car companies capable of producing electric cars must ensure that 2 percent of their sales are emission-free cars.
- The California Air Resources Board mandated that any car companies capable of producing electric cars must ensure that 2 percent of their sales are emission-free cars.
- The California Air Resources
The California Air Resources Board mandated that any car companies capable of producing electric cars must ensure that 2 percent of their sales are emission-free cars.
The California Air Resources Board (CARB) is a federal agency that regulates the use of air pollution from cars and trucks. It was created in 1970 to reduce air pollution from cars and trucks. The agency is responsible for setting emission standards for new cars and trucks, and for enforcing those standards. The agency also regulates the use