A "green," petroleum-free brand of motor oil is due to appear on store shelves soon.
Green Earth Technologies said it's shipping its line of green motor oils to national retailers starting within the next month. Waste fats from cattle instead of fossil fuels are the key ingredients.
"We turn that into liquid form and use nanotechnology to have it perform in lubricant format," explained company CEO Jeff Marshall.
Because the slaughter of each cow leaves behind 200 pounds of waste tallow, the company is making use of a renewable resource, he said.
"We're … Read more