![]() However, a lawsuit resulted in an injunction that prohibited CARB from enforcing those 2001 ZEV for model years 2003 or 2004. 1Further modifications to the program that were made in 2001 allowed large manufacturers to meet their 10% ZEV requirement with 2% pure ZEVs, 2% Advanced Technology PZEVS, and 6% PZEVs. The program was adjusted again in 1998 to allow partial ZEV (PZEV) credits for low emission vehicles that were not pure ZEVs to achieve partial credits toward the overall requirement. The ZEV mandate was ultimately adjusted to eliminate the “ramp up” years but left in place the 10% ZEV requirement for 2003. ZEV regulation was first adopted in 1990 as part of LEV I standards, and has undergone significant periodic modifications since that time.Īt the time of adoption, CARB required that 2% of the vehicles that large manufacturers produced for sale in California in 1998 had to be ZEVs, increasing to 5% in 2001 and 10% in 2003. ![]() The Zero Emission Vehicle (ZEV) Program is designed to achieve the state’s long-term emission reduction goals by requiring manufacturers to offer for sale specific numbers of the cleanest car technologies available, which include: battery electric, fuel cell, and plug-in hybrid electric vehicles.
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