In May, global fleet UPS announced a seven-year agreement to purchase 170 million-gallon equivalents of renewable natural gas (RNG) from leading natural gas fuel provider and ABC member, Clean Energy Fuels—the largest purchase of RNG in US history. This massive commitment to RNG, which Clean Energy Fuels produces from organic waste, signals to the rest of the transportation industry that RNG is a leader in low-carbon fuels. More >>