Cal. Health & Saf. Code § 38566 : CALIFORNIA HEALTH AND SAFETY CODE — CALIFORNIA GLOBAL WARMING SOLUTIONS ACT OF 2006 — GREENHOUSE GAS EMISSIONS REDUCTIONS — Reduction of statewide greenhouse gas emissions

In adopting rules and regulations to achieve the maximum technologically feasible and cost-effective greenhouse gas emissions reductions authorized by this division, the state board shall ensure that statewide greenhouse gas emissions are reduced to at least 40 percent below the statewide greenhouse gas emissions limit no later than December 31, 2030.