Alternative Technologies
Alternative technologies include the following:
- Anaerobic digestion
- Composting
- Fuel cells
- Fuels for automobiles (besides gasoline and diesel)
- Alcohol (either ethanol or methanol)
- Biodiesel
- Vegetable oil
- Greywater
- Solar panels
- Silicon-based
- Photosynthetic "Gratzel cells" (Titanium dioxide)
- Landfill gas extraction from landfills
- Mechanical biological treatment
- Recycling
- Wind generators
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Famous quotes containing the word alternative:
“Our mother gives us our earliest lessons in love—and its partner, hate. Our father—our “second other”Melaborates on them. Offering us an alternative to the mother-baby relationship . . . presenting a masculine model which can supplement and contrast with the feminine. And providing us with further and perhaps quite different meanings of lovable and loving and being loved.”
—Judith Viorst (20th century)