4. The default carbon dioxide emission factor for biodiesel fuel is 70,800 kg/TJ, and the emission factor for diesel fuel is 74,100 kg/TJ. a. Which diesel fuel, biodiesel or “regular” diesel fuel, has the greater carbon intensity per unit of energy? b. What are their respective carbon intensities compared to natural gas? c. If a city were to invest in climate-friendly buses for public transportation, should it choose a diesel-powered bus, a biodiesel-powered bus, or a natural gas-powered bus?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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  1. The default carbon dioxide emission factor for biodiesel fuel is 70,800 kg/TJ, and the emission factor for diesel fuel is 74,100 kg/TJ.
    1. Which diesel fuel, biodiesel or “regular” diesel fuel, has the greater carbon intensity per unit of energy?
    2. What are their respective carbon intensities compared to natural gas?
    3. If a city were to invest in climate-friendly buses for public transportation, should it choose a diesel-powered bus, a biodiesel-powered bus, or a natural gas-powered bus?
4. The default carbon dioxide emission factor for biodiesel fuel is 70,800 kg/TJ, and the
emission factor for diesel fuel is 74,100 kg/TJ.
a. Which diesel fuel, biodiesel or "regular" diesel fuel, has the greater carbon
intensity per unit of energy?
b. What are their respective carbon intensities compared to natural gas?
c.
If a city were to invest in climate-friendly buses for public transportation, should
it choose a diesel-powered bus, a biodiesel-powered bus, or a natural gas-powered
bus?
Transcribed Image Text:4. The default carbon dioxide emission factor for biodiesel fuel is 70,800 kg/TJ, and the emission factor for diesel fuel is 74,100 kg/TJ. a. Which diesel fuel, biodiesel or "regular" diesel fuel, has the greater carbon intensity per unit of energy? b. What are their respective carbon intensities compared to natural gas? c. If a city were to invest in climate-friendly buses for public transportation, should it choose a diesel-powered bus, a biodiesel-powered bus, or a natural gas-powered bus?
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