GEOLOGYFINAL!!!!!!!!!!

GEOLOGYFINAL!!!!!!!!!! - GEOLOGY CH. 17 At present rates of...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
GEOLOGY CH. 17 At present rates of world oil consumption, Saudi reserves will last about 10 yrs World oil reserves=1033.1 billion barrels World uses 29 billion barrels of oil per year Hybrid limitations o Cost o Battery technology Guarantees 8 years, 80,000-100,000 miles Electric vehicles o Tesla o $20 electricity for 800 miles o Limited battery o Weight of vehicle o Costly o Range of 75 miles Hydrogen vehicles o Fuel cells o No byproduct c02, no nitrous oxides o Hydrogen supply VA ranks among the top 10 coal producing states o Annual value of more than one billion dollars Largest coal reserves-US Largest coal producer-Canada Coal Mining methods o Surface mining (65%)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
o Underground mining (35%) Underground mining is more environmentally friendly but is not as safe Surface mining is cheaper and safer but leaves a bigger ecological footprint Wyoming is biggest coal producer in U.S., followed by W. VA Eastern and Western coal have different properties (age, thickness, sulfur content) Environmental consequences o Land Large disturbed area o Water Sulfur causes acid streams
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 05/02/2008 for the course GEOS 1024 taught by Professor Meschreiber during the Spring '08 term at Virginia Tech.

Page1 / 5

GEOLOGYFINAL!!!!!!!!!! - GEOLOGY CH. 17 At present rates of...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online