=20 ________________________________
From: David Pimentel [mailto:[EMAIL PROTECTED] Sent: Sunday, February 04, 2007 5:15 AM To: La Follette, Doug J - SOS Subject: Re: FW: Ethanol (in)efficiency wind, food, solar, and SUVs Doug: You sent me a note stating Bridgman estimated that it takes 60 = years to get a replacement on investment. This is incorrect. For the = energy replacement, it takes only 3 to 4 years. It is expensive to = operate about 25=A2 per kWh. See Pimentel et al., 2002. Best regards, David
