EV subsidies from the federal government (quite obviously) will likely be eliminated probably one of the first 100 days:
Auto manufacturer's Oct 19, 2012 request to EPA for waiver from CARB:
http://www.globalautomakers.org/sites/default/files/document/attachments/JointCommentsCAWaiverRequest10-19-12.pdf
"It is highly unlikely that the required infrastructure and the level of consumer demand for ZEVs will be sufficient by MY2018 in either California or in the individual Section 177 States to support the ZEV sales requirements mandated by CARB. EPA should therefore deny, at the present time, California’s waiver request for the ZEV program for these model years. During the interim, Global Automakers and the Alliance believe that California and EPA, with full auto industry participation, should implement a review for the ZEV program similar to the mid-term review process adopted under the federal GHG and CAFE regulations for MYs2017 through 2025."
That's a whole lot of gobbledy goop to say, "keep the traveling provision so we can only sell cars in California at the minimum number, and not sell any in the other CARB states."
The auto manufacturers lost.
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November 10, 2016, two days after the election of Trump, "Alliance of Automobile Manufacturers" request relief from California Air Resources Board (CARB) Zero Emission Vehicle (ZEV) mandates, U.S. government Environmental Protection Agency (EPA) requirements for Corporate Average Fuel Economy (CAFE), plus weakening of autonomous car rules.
How do you think a Trump administration will handle this?
http://www.reuters.com/article/us-autos-regulations-trump-exclusive-idUSKBN1352EI
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CARB states - Arizona, California, Connecticut, Maine, Maryland, Massachusetts, New Jersey, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont, Washington, District of Columbia.
CARB-Zero Emission Vehicle states - California’s ZEV program has now been adopted by the states of Connecticut, Maryland, Massachusetts, New York, Oregon, Rhode Island and Vermont. These states, known as the “Section 177 states,” have chosen to adopt California's air quality standards in lieu of federal requirements as authorized under Section 177 of the federal Clean Air Act. Additionally, California’s GHG standards are now spelled out federal law. Maine, Washington DC and New Jersey are participating with ZEV initiatives, but are not signatory CARB-ZEV states.
http://www.arb.ca.gov/regact/2014/zev2014/zev14isor.pdf