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Biofuels : From Plants to Porsches. Joint Lesson by Jordan Parker and Marina Ziehn Spring 2011. Resources. What is a resource? definition: any physical or virtual entity of limited availability that needs to be consumed to obtain benefit from it - PowerPoint PPT Presentation
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Biofuels: From Plants
to Porsches
Joint Lesson byJordan Parker and Marina ZiehnSpring 2011
ResourcesWhat is a resource?
definition: any physical or virtual entity of limited availability that needs to be consumed to obtain benefit from it
biotic: plants, animals and their products abiotic: non-living matter, minerals not from organic
matterWhat is the difference between a limited resource
and a renewable resource? one takes a LONG time to form (geological periods),
other can be replenished or reproduced easily
Pop Quiz
water coal wind petroleum calcium from fish hydroelectricity gold iron
copper silver forests animals sun/solar energy wood oil
Developing/using renewable resources
Why might we want to use renewable resources more widely? continuously available easily available made in large quantities
How can we get/create renewable resources?
From resource to Fuel
How are resources used?
Renewable options
Types of Biofuels
Bioalcohols: alcohols synthesized chemically or biologically, have high octane rating (which means they can ignite well) but lower energy density
Types of Biofuels
Biogases: gases produced by biological breakdown of organic matter (without O2)
Types of Biofuels
Biodiesels: clean burning alternative fuel, produced from domestic, renewable resources
How available are these types of biofuels?How efficient is each type of biofuel?