UPS announced plans to build an additional five compressed natural gas (CNG) fueling stations and add more than 700 new CNG vehicles, including 400 semi-tractors and 330 terminal trucks.

This $130 million investment in CNG capacity for 2018 builds on previous UPS investments of $100 million in 2016 and $90 million in 2017. UPS will have invested more than $1 billion in alternative fuel and advanced technology vehicles and fueling stations from 2008 through 2018.

Building CNG and LNG capacity is an important enabler for increasing UPS’s use of renewable natural gas (RNG). RNG yields up to a 90 percent reduction in lifecycle greenhouse gas emissions when compared to conventional diesel. Last year, UPS used 15 million gallon equivalents of RNG. The company is the largest consumer of RNG in the transportation sector.

The five new CNG stations will be in Goodyear, Ariz., Plainfield, Ind., Edgerton, Kan., Fort Worth, Texas, and Arlington, Texas. Four hundred semi-tractors will be supplied by Freightliner and Kenworth and 330 terminal trucks by TICO. UPS will deploy the new CNG vehicles on routes to utilize the new CNG stations as well as adding to existing natural gas fleets in other UPS locations including Atlanta and Salt Lake City.

UPS currently operates more than 50 natural gas fueling stations in the U.S. and several outside the U.S. in Vancouver, Canada, and Tamworth, United Kingdom.

The initiative will help UPS reach its 2020 goal of one in four new vehicles purchased being an alternative fuel or advanced technology vehicle. The company has also set a goal of replacing 40 percent of all ground fuel with sources other than conventional gasoline and diesel. These goals support UPS’s commitment to reduce its GHG emissions from global ground operations 12 percent by 2025.

Using its Rolling Laboratory approach, UPS deploys approximately 9,100  low-emission vehicles to determine which technology works best in each route configuration. This includes battery-electric, gasoline-electric hybrids, hydraulic hybrid, ethanol, compressed natural gas (CNG), liquefied natural gas (LNG) and propane autogas.

Related: Freightliner Custom Chassis Delivers 50,000th Chassis to UPS