Pictured is one of 20 CNG-fueled tractors in Kwik Trip’s petroleum distribution fleet. The in-house fleet hauls upwards of 95% of the roughly one billion gallons of refined petroleum sold annually by Kwik Trip’s 410 convenience stores in Wisconsin, Minnesota, Iowa, and Illinois.
Arrayed in this photo is a good sampling of the vehicles in the Kwik Trip fleet that run on natural gas. Most use compressed natural gas, but the company is trying some trucks with liquefied natural gas.
CNG dispensers are pictured at Kwik Trip’s showpiece fueling location across from the company’s distribution center in La Cross WI. CNG is now offered at 25 Kwik Trip c-stores, and more are coming. Compressors operating at 3,600 psi can fill a truck fuel tank in 10 to 12 minutes.
Kwik Trip offers a wide range of fuels at its showpiece fueling location in La Cross WI, and this digital display gives an opportunity for price comparison. At the time the photo was taken, CNG typically retailed for $1.59 to $1.79 per diesel equivalent gallon, roughly $2 less than diesel.
Petroleum trailers are serviced in two bays at the La Crosse WI shop that have fall protection to help ensure the safety of mechanics working in top of tank trailers.
Carl Suhr, Kwik Trip fleet maintenance superintendent, demonstrates the fall protection system at the La Crosse shop.
To gain a better understanding of the liquefied natural gas distribution process, Kwik Trip leased its own 10,000-gallon LNG trailer from Chart Industries.
Fill receptacles on the CNG fuel tanks give drivers the option of fueling from low-pressure or high-pressure dispensers.
Polar and Heil supply the 9,500-gallon DOT406 petroleum trailers used to supply the Kwik Trip c-stores.
Civacon is the primary supplier of bottom-loading systems on the petroleum trailers.
Tank hardware includes Civacon domelids, overfill protection, and vapor recovery.
A few tractors are fueled with LNG, and fuel tanks are supplied by Chart Industries.
CNG fuel tanks have a 90 diesel-gallon-equivalent capacity, and the newest tanks from Agility Fuel Systems are more esthetically pleasing.
Tractors and trailers have tire pressure monitoring systems, which is especially important with widebase tires.
Tractors are now specified with Michelin widebase tires. Duals are used on the trailer fleet.
This meter for detecting methane is part of the system used to ensure safety in the maintenance bay dedicated to working on natural gas fueled trucks.
Related story: Midwestern convenience store operator takes leadership role in promoting natural gas as truck fuel
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