On April 19, Mexico's Senate approved a climate change bill, adopted earlier in the year by the Chamber of Deputies, that would require Mexico cut emissions 30% from current levels by 2020 and 50% from 2000 levels by 2050, as well as create a voluntary cap-and-trade scheme. The bill also mandates a plan, to be in place by 2020, overhauling fossil fuel subsidies to balance traditional fuels with energy efficiency and sustainable transportation, as well as a goal of making 35% of the nation's total energy mix renewable by 2024.