TRB's Airport Cooperative Research Program (ACRP) Synthesis 21: Airport Energy Efficiency and Cost Reduction explores energy efficiency improvements being implemented at airports across the country that are low cost and short payback.
Which of the following energy sources releases carbon dioxide when burned?
Gasoline, diesel fuel, and natural gas all release CO2 when burned.
Gasoline, diesel fuel, and natural gas all release CO2 when burned.
Gasoline, diesel fuel, and natural gas all release CO2 when burned.
Gasoline, diesel fuel, and natural gas all release CO2 when burned.
