California Executive Order S-03-05[4][17] (June 2005, signed by Governor Arnold Schwarzenegger) sets greenhouse gas emissions reduction targets for the State of California and laid out responsibilities among the state agencies for implementing the Executive Order and for reporting on progress toward the targets.
Specifically, the Executive Order established these targets: The first and second goals were enshrined into law by the legislation known as AB 32, or the Global Warming Solutions Act of 2006,[18] which gave the California Air Resources Board broad authority to implement a market-based system (also known as cap-and-trade) to achieve these goals.
California Executive Order B-30-15[13] (April 2015, signed by Governor Jerry Brown) added the intermediate target of: This intermediate target was codified into law by SB 32, which was signed into law by Governor Jerry Brown on September 8, 2016.
[19][20] On July 17, 2017, the legislature passed AB 398, which authorized the Air Resources Board to operate a cap and trade system to achieve these emissions reductions.
[21][22] California Executive Order B-55-18[23] (Sept 2018, signed by Governor Jerry Brown) took the further step of: California Executive Order N-79-20 (September 2020, signed by Governor Gavin Newsom) established this executive order with the goal: The Executive Order requires the California Air Resources Board to promulgate regulations implementing these goals and for state agencies to accelerate the deployment of affordable fueling and charging options for zero-emissions vehicles, and to develop a Zero-Emissions Vehicle Market Development Strategy by January 31, 2021.