55 Glenlake Parkway, NE, Atlanta, Georgia, 30328, United States

United Parcel Service Inc. (NYSE: UPS) has invested heavily in alternative fuels and takes a “Rolling Laboratory” approach to clean vehicles. UPS recently announced plans to purchase more than 6,000 natural gas-powered trucks through 2022, invest in renewable natural gas, and is using propane vehicles extensively in their global fleet as well.