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CNG in Colonial Williamsburg. Williamsburg Transport CNG Fleet/Colonial Williamsburg Bus Operations. Orion VII CNG 35’. Diesel-CNG side to side. The Advantages. Environmental Fuel Costs. Environmental Positives. PM Particulate Matter- 84 %-98% lower NOx-49% lower
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CNG in Colonial Williamsburg Williamsburg Transport CNG Fleet/Colonial Williamsburg Bus Operations VTA Spring Conference
Orion VII CNG 35’ VTA Spring Conference
Diesel-CNG side to side VTA Spring Conference
The Advantages • Environmental • Fuel Costs VTA Spring Conference
Environmental Positives • PM Particulate Matter- 84 %-98% lower • NOx-49% lower • CO carbon monoxide levels are lower by 52-84% • CNG is Methane-not conducive to ground ozone, but may be a greenhouse gas VTA Spring Conference
Clean & Quiet VTA Spring Conference
Disadvantages (compared to diesel) • Routine Maintenance Issues • Initial Costs • Fueling efficiency • Load factors and acceleration • Weight of vehicles VTA Spring Conference
What are the fuel cost savings? • CNG currently running about $1.10 per cubic foot • 12,483 gge (gasoline gallons equivalent) per month (April) • 45,630 miles in April @ 3.65 gge per mile • About 30 cents per mile fuel cost compared to diesel of about 48 cents per mile VTA Spring Conference
Fueling & Battery Compartments VTA Spring Conference
Fueling station VTA Spring Conference
The Compressor/Generator Station VTA Spring Conference
Conclusion • CNG is an environmental plus • CNG has a place in the AFV lineup • Long term availability of CNG • 2.3 million use CNG transit in Historic Triangle annually • Cost saving in fuel was not expected, but is a big positive at the present VTA Spring Conference