CEE_4920_TransEnergy - Discussion of the future of...

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Discussion of the future of transportation energy Engineers for a Sustainable World Francis Vanek Nov.20, 2008
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Notes from A.T. Lecture Tues 11/11
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Announcing CEE Research Project Competition for Jan. 2009! All CEE 4920 projects encouraged to enter Cash prizes for the best presentations Either poster or oral presentation If poster, it can be printed in CEE office Will forward email w/ details to teams Deadline: 1-paragraph abstract due Fri 12/5
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Other housekeeping Final presentation Post-discussion of bicycle lecture
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Energy Systems Engineering: Evaluation and Implementation Written by me, along with Prof. Lou Albright (colleague at Cornell) Based on three courses: “Future Energy Systems” in Mechanical Engineering “Renewable Energy Systems” in Biological Engineering “Civil Infrastructure Systems” in Civil Engineering Also based on my consulting experience Level: assumes basic engineering background Detailed technical explanation with worked examples, data tables, etc. www.mhprofessional.com + book code “VSE”
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Info on biofuels from Energy Systems Engineering book Ethanol (pp.402-403) 2006: 4.9 billion gallons corn ethanol in USA Displaced ~2% of gasoline use Entire corn crop would have displaced 12% Possible solution for USA? Cellulosic ethanol Brazil: ethanol from sugar cane, 3:1 net energy benefit (NEB) Biodiesel (pp.403-405) 2005: 250 million gal., majority source is soybeans Entire US soy crop would displaced 5-6% of total petrodiesel consumption Possible solution for USA? Biodiesel from algae Continuing the “net benefit” debate: materials in BB site Attacking: Pimental et al 2005 Defending: Hill et al 2006
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A transportation energy “vision” in 4 parts
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Transportation energy “story” part 1: the challenge President-elect Obama has advocated an 80% reduction in CO 2 by 2050 Compared to 1990 Transportation is a BIG component of those emissions For energy infrastructure, 42 years isn’t much time
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Part 2: Transportation Energy Innovation is Everywhere! Case: Swiss railways Double-track mountain incline: Downhill train uses regenerative braking Feeds electricity into grid Assists the uphill train Swiss electricity: 62% Hydroelectric 37% Nuclear ~1% CHP fossil from gas Result: efficient, CO 2 -free Switzerland: 98% of rail traffic electric Mostly CO2-free electricity
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Government Leadership on Industrial Challenges Case: WWII wartime economy From book “Plan B” by Lester Brown Roosevelt’s program Auto industry 3 million cars/year prewar 1942-1944: no cars Produce war material instead Could this be done to deliver carbon-free transportation energy? Convert closed SUV plants?
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CEE_4920_TransEnergy - Discussion of the future of...

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