Images reproduced from:
http://www.cngrefuelingsystems.com/services/converting-your-fleet/ (Frito Lay, UPS, WM)
http://www.forbes.com/sites/christopherhelman/2014/09/09/budweiser-puts-its-diesel-trucks-out-to-pasture-switches-to-natural-gas/
http://www.greenenergyjubilation.com/cng-buses-in-dallas/
http://www.thegoodmancorp.com/projects/project-list-2-2/houston-downtown-circulation-project/
http://blogs.rrc.state.tx.us/TPF/?p=10662 Houston Distributing
http://www.cngrefuelingsystems.com/services/converting-your-fleet/ (Frito Lay, UPS, WM)
http://www.forbes.com/sites/christopherhelman/2014/09/09/budweiser-puts-its-diesel-trucks-out-to-pasture-switches-to-natural-gas/
http://www.greenenergyjubilation.com/cng-buses-in-dallas/
http://www.thegoodmancorp.com/projects/project-list-2-2/houston-downtown-circulation-project/
http://blogs.rrc.state.tx.us/TPF/?p=10662 Houston Distributing