Not all energy options are equally good, says Thomas Drolet, principal of Drolet & Associates Energy Services Inc. Using an “Energy Return on Energy Invested (EROEI)” calculation to decide which energy sources yield the most for the least energy investment, Drolet sees hydroelectricity, natural gas, uranium and coal at the top of the list. Drolet adds that the need for reliable power will keep baseload power fueled by uranium and coal at the center of the world’s electricity systems for many years, but he tips The Mining Report to some technologies looking for investment that can help make coal a more environment-friendly fuel. The Mining Report: Tom, thanks for joining us today. I’d like to start out with the concept of an “Energy Return on Energy Invested cliff,” which is being debated widely these days.” What is it and what does it mean […]