Three congresspeople flew on wood-waste fumes this week, aboard an Alaska Airlines Boeing 737-800 on its way from Seattle-Tacoma International Airport (SEATAC) to Washington, DC. It was the first commercial flight to “to be powered by a blend of renewable jet fuel made from forest residuals.” Waste Products Replace Fossil Fuels Alaska, Boeing, and SEATAC have partnered on including biofuels in the mix since early 2015, as reported here. Later that year, United made flights out of Los Angeles International (LAX) using a blend of fossil-based jet fuel and biofuels made from farm and municipal waste. Keeping waste out of landfills and producing a lower carbon-footprint fuel has several benefits. In the case of forest waste, those branches, limbs and twigs that litter the forest floor after a timber harvest, cleaning that debris away lowers fire risk in the warm seasons and makes renewable isobutanol. Developed through a five-year project led by Washington State University and the Northwest Advanced Renewables …