What is the differnece between the yellow carpool lane sticker and the white carpool lane sticker?

Question

What is the differnece between the yellow carpool lane sticker and the white carpool lane sticker?

Answer 1

White or yellow Clean Air Stickers are issued according to the following criteria:

White:

A vehicle that meets California's super ultra-low emission vehicle (SULEV) standard for exhaust emissions and the federal inherently low-emission vehicle (ILEV) evaporative emission standard.

A 2004 model-year or older vehicle that meets the California ultra-low emission vehicle (ULEV) standard for exhaust emissions and the federal ILEV standard.

Yellow:

A hybrid or alternative fuel vehicle that meets California's advanced technology partial zero-emission vehicle (AT PZEV) standard for criteria pollutant emissions and has a 45 miles per gallon or greater fuel economy highway rating.

A 2004 model-year or older hybrid vehicle that has a 45 mile per gallon or greater fuel economy highway rating and meets California's ultra-low emission vehicle (ULEV), super ultra-low emission vehicle (SULEV), or partial zero-emission vehicle (PZEV) standards.