Colorado adopts California electric vehicle mandate

By [email protected] (Bengt Halvorson) For months, Colorado lawmakers and businesses have taken sides at a figurative continental divide—and not far from the real one—over whether (and how) the state might join California’s Zero Emissions Vehicle program and its corresponding electric-car mandate. We now have an answer. The Colorado Air Quality Control Commission has… Read Full…

Feasibility of intermittent energy sources (Brazil)

By Rafael Herzberg Feasibility of intermittent energy sourcesThe electricity sector is capital intensive. Careful planning, stable rules and economic rationality are essential to achieving and maintaining cost competitiveness.Solar and wind energy are booming in Brazil.These sources are intermittent. Therefore they cannot operate without the support of conventional backup power..This problem has existed for many.. Click…

Two Iowa wind farms earn highest sustainability ratings

By Michelle Froese The Institute for Sustainable Infrastructure (ISI) announced in July that two of Alliant Energy‘s wind farms were verified as meeting the guidelines for sustainable infrastructure. What’s more is the two projects — Upland Prairie in Everly and English Farms in Montezuma, Iowa — were the first wind projects ever to achieve the…

Modern Transportation—A Miracle under Attack

By Steve Goreham Modern transportation is amazing. Each day, millions of people fly, drive, or are transported across our world for business, pleasure or to see distant family members. These trips, which are powered by petroleum-based fuels, were all but impossible a century ago. But today, many of our leaders call for elimination of hydrocarbon-fueled…

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