Even by Argentine standards, Ricardo Carlstein can talk a blue streak. Ricardo Carlstein. I met with the founder of Biofuels SA, an Argentina-based maker of small-scale biodiesel plants, in the posh environs of Buenos Aires. Carlstein sat at his desk and explained how any person can be a fuel plant by using his invention, a technology protocol he calls "high-temperature pressurized" (simply put: a way to cook biofuels at abnormally high temperatures, one that cuts effluence by rendering obsolete the need to "wash" the fuel). A massive, bearded man in T-shirt, slacks, and New Balance running shoes, he reminded me …
Get Grist in Your Inbox
Kelly Hearn is a writer in South America. He is a former UPI staff reporter and a correspondent for the Christian Science Monitor and other publications.
Amory Lovins’ high-tech home skimps on energy but not on comfort
This little fox loves transit. Should we tell him he just missed his stop?
Plants are poison — and that just may be why they keep us healthy
Millions alive today would have to die before the paleo diet could take over
Meet the Andy Griffith who’s going after fracking polluters