California legislators on Tuesday called for the Environmental Protection Agency (EPA) to implement tighter regulations on air pollution without interfering with controlled wildfire burns, in a letter to EPA (pdf). Sen. Alex Padilla (D-Calif.) was joined by Sen. Dianne Feinstein (D-Calif.) and Rep. Jared Huffman (D-Calif.) to support the EPA’s proposed ambient air quality standard, which would lower the allowable…