from RenewableEnergyAccess.com
Producing approximately 5 million tons of citrus peel waste annually, the Florida orange juice industry has the potential to provide up to 60 million gallons of cellulosic ethanol for Sunshine State residents, according to Bill Widmer, a research chemist with the USDA-ARS Citrus and Subtropical Products Laboratory in Winter Haven.
Although 60 million gallons of cellulosic ethanol per year would not even come close to satisfying U.S. fuel demand, this hasn't stopped companies from seeing the economic and environmental benefits the technology would offer consumers on a regional scale.
"Really, the citrus waste conversion to ethanol, would be a local biomass source in Florida," said Widmer, noting that amount could meet a local demand for oxygenating fuel additives in central Florida as well as generating additional revenue for citrus growers.
The citrus waste, a pectin, cellulose and soluble sugar rich mixture of peel, segment membranes and seeds is available at no cost and in large volumes with potentially no transportation costs since companies like Florida-based Citrus Energy LLC, and newly incorporated Southeast Biofuels, plan to build biorefineries in the local vicinity or co-locate at the citrus processing facility itself.
"I think what you're going to see over the next fifteen years is wood plants in Georgia and Alabama; citrus plants in Florida; and corn plants in the Midwest," said Tom Endres, senior vice-president of operations at Xethanol Corporation.
Suburbia, and all it promises, has become the American Dream. With brutal honesty and a touch of irony, The END of SUBURBIA explored the American Way of Life and its prospects as the planet enters the age of Peak Oil.
In ESCAPE From SUBURBIA director Greg Greene once again takes us through the looking glass on a journey of discovery a sobering yet vital and ultimately positive exploration of what the second half of the Oil Age has in store for us.
Through personal stories and interviews we examine how declining world oil production has already begun to affect modern life in North America. Expert scientific opinion is balanced with on the street portraits from an emerging global movement of citizens groups who are confronting the challenges of Peak Oil in extraordinary ways.
The clock is ticking. ESCAPE From SUBURBIA asks the tough questions: Are we approaching Peak Oil now? What are the controversies surrounding our future energy options? Why are a growing number of specialists and citizens skeptical of these options? What are ordinary people across North America doing in their own communities to prepare for Peak Oil? And what will YOU do as energy prices skyrocket and the Oil Age draws to a close?
from USAToday.com | By Paul Davidson, USA TODAY
Demand for renewable energy is outstripping supply, pushing up prices and raising the specter that some states may not meet clean-energy mandates.
Behind the shortage are the growing number of states requiring utilities to include clean energy in their power mix, as well as surging demand from big businesses.
By 2010, clean-energy demand will outpace generation by at least 37% unless a rush of projects is built, says a report due out next week from the National Renewable Energy Lab.
Under laws in 25 states, clean energy such as wind, solar and biomass must constitute up to 30% of a utility's energy portfolio in five to 15 years. In 2003, just 10 states had such requirements. Also, growing concerns about power plants' global-warming emissions have led consumers and businesses to boost clean-energy purchases by 46% a year since 2003. Much of that is fueled by corporations, which have increased their green power purchases twenty-fivefold since 2001, the Environmental Protection Agency says. "Demand is growing faster than people expected," says NREL senior analyst Lori Bird.
Utilities and customers typically don't buy renewable energy itself. Rather, they buy renewable-energy credits premiums above standard electric prices that subsidize a generator for each kilowatt hour of power it produces. Consumers, for instance, can pay up to $10 extra on their monthly utility bill or buy credits online.
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