In Hunt for Clean Jet Fuel, South Africa Swaps Tobacco for Weeds
When a South African Airways Boeing 737 took off from O.R. Tambo International Airport in Johannesburg two years ago, headed for Cape Town, it was powered by an unusual fuel: tobacco. South Africa hasn’t yet repeated the jet biofuel feat, but in an effort to cut its climate-changing emissions and promote greener power the country’s […]