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Can You Really Use Vegetable Oil to Fuel Your Car?
auto.howstuffworks.com/fuel-efficiency/fuel-consumption/vegetable-oil-fuel.htm
Could vegetable oil really become commonplace as a fuel? While it certainly is an option for some engines, vegetable oil is a long way from being the fuel alternative of the future.
How are fossil replicas made?
science.howstuffworks.com/environmental/earth/geology/fossil-replica.htm
Fossil replicas give scientists the chance to learn about dinosaur fossils and to display replicas for the public to see. Learn more about fossil replicas.
Is ethanol really more eco-friendly than gas?
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/ethanol-facts.htm
Ethanol facts help sort out which is better, ethanol or gas? Learn about ethanol facts, and find out if ethanol is more eco-friendly than gas.
Herbal Remedies for Diarrhea
health.howstuffworks.com/wellness/natural-medicine/herbal-remedies/herbal-remedies-for-diarrhea.htm
There are a number of herbal remedies that can relieve some of the pain of diarrhea. Learn which herbs to use to get over a bout of diarrhea.
Liver Cleansing Overview
health.howstuffworks.com/wellness/natural-medicine/alternative/liver-cleansing.htm
Liver cleansing is a popular form of alternative medicine. Learn more about liver cleansing at HowStuffWorks.
Can air pollution affect heart health?
science.howstuffworks.com/environmental/green-science/air-pollution-heart-health.htm
Air pollution can negatively effect heart health. Learn about air pollution and its connection to heart health.
Is there a way to get solar energy at night?
science.howstuffworks.com/environmental/green-tech/energy-production/solar-energy-night.htm
Getting solar energy at night is one of the major problems with solar energy. Learn about getting solar energy at night.
How Volunteering at Christmas Works
money.howstuffworks.com/economics/volunteer/opportunities/volunteering-on-christmas.htm
Volunteering on Christmas is a wonderful and selfless act. Visit HowStuffWorks to learn all about volunteering on Christmas
5 Most Amazing Caves
science.howstuffworks.com/environmental/earth/geology/5-amazing-caves.htm
The Doll's Theater of Carlsbad Caverns looks otherworldly and took ages to form. What other incredible sights await us below ground?
5 Delicious 300-calorie Desserts
recipes.howstuffworks.com/food-facts/5-300-calorie-delicious-desserts.htm
The key to low-calorie desserts? Smaller portions, natural sweetening from fruit and low-fat dairy. Check out these 5 300-calorie delicious desserts.