Energy Efficiency Analysis: Biomass-to-Wheel Efficiency Related with Biofuels Production, Fuel Distribution, and Powertrain Systems
2011

Energy Efficiency Analysis of Biomass-to-Wheel for Biofuels

publication 10 minutes Evidence: moderate

Author Information

Author(s): Huang Wei-Dong, Zhang Y-H Percival

Primary Institution: Virginia Tech

Hypothesis

How can different biomass-utilization scenarios improve energy efficiency in transportation systems?

Conclusion

The analysis indicates that sugar fuel cell vehicles (SFCV) and battery electric vehicles (BEV) have the highest biomass-to-wheel efficiencies, significantly outperforming traditional corn ethanol internal combustion engine vehicles.

Supporting Evidence

  • SFCV and BEV can achieve nearly four times the biomass-to-wheel efficiency of corn ethanol/ICE.
  • The study suggests that only 7.1% of the annual US biomass could meet 100% of light-duty passenger vehicle fuel needs.
  • The analysis provides a straightforward method to evaluate energy efficiency without the uncertainties of life cycle analysis.

Takeaway

This study looks at how we can use plants to make fuel for cars more efficiently. It finds that some new types of cars can use this fuel much better than the old ones.

Methodology

A biomass-to-wheel efficiency analysis was conducted, comparing 13 different scenarios of biofuel production and powertrain systems.

Limitations

The analysis does not cover algal biofuel production or other renewable electricity generation methods.

Digital Object Identifier (DOI)

10.1371/journal.pone.0022113

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