NASC 130 Essentials3_ch12

Energy mineral resources biomass biomass energy from

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Unformatted text preview: y Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Hydrogen Fuel Cells Produce electricity via chemical reactions Hydrogen reacts with oxygen in an electrolyte bath Generates electricity, heat, and H2O The reaction is environmentally benign Fuel cells are useful as engines for motor vehicles Technological issues must be addressed first Technological Safely storing compressed hydrogen Safely Producing hydrogen efficiently Distributing hydrogen Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Energy Problems Global energy use continues to increased dramatically Global Reflects rapid expansion of industrialization Reflects Oil, the dominant energy source, is dwindling Oil, Many countries import oil to meet demands Many In the future, humans will have a different energy mix Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Energy Problems The energy crisis (1970s) In 1973, the Organization of Petroleum Exporting Countries In (OPEC) began to limit the volume of exports (OPEC) The price of oil skyrocketed, resulting in fuel shortages The Gas stations witnessed long lines for the first time Gas Essentials of Geology, 3rd edition, by Stephen Marshak Chapter 12: Riches in Rock: Energy & Mineral Resources Energy Problems The energy crisis (1970s) The end result was a new appreciation for energy Regulations lowered speed limits...
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This document was uploaded on 11/25/2013.

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