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Is the amount of mercury in CFLs more dangerous than the amount in fish?
science.howstuffworks.com/environmental/green-science/cfl-mercury.htm
Mercury in CFLs and fish are the best known sources of mercury exposure. Learn about mercury in CFLs and fish and find out which should cause more concern.
How Geothermal Energy Works
science.howstuffworks.com/environmental/energy/geothermal-energy.htm
Geothermal energy is clean, abundant and renewable. Learn about geothermal energy, geothermal heat pumps and geothermal power plants.
How Infrared Heaters Work
home.howstuffworks.com/home-improvement/heating-and-cooling/infrared-heaters.htm
Infrared heaters are somewhat complex. Learn about how infrared heaters work at HowStuffWorks.
How Inventory Management Systems Work
money.howstuffworks.com/how-inventory-management-systems-work.htm
Retailers replenish stock with automatic programs. Learn how inventory management systems work.
How Do Water Softeners Work?
home.howstuffworks.com/question99.htm
A water softener uses sodium to help replace calcium and magnesium ions. Learn about about water softeners and how water softeners treat your water.
How the iQ Car Works
auto.howstuffworks.com/iq-car.htm
The iQ Car is a new four-seat passenger concept vehicle that was designed by Toyota. Find out what the iQ Car is and learn about iQ Car features.
How to Calculate Fuel Cost
auto.howstuffworks.com/under-the-hood/cost-of-car-ownership/calculate-fuel-cost.htm
Want to know how to calculate fuel cost? Visit HowStuffWorks to learn how to calculate fuel cost.
The Ultimate Car Engine Quiz
play.howstuffworks.com/quiz/the-ultimate-car-engine-quiz
So you think you know everything there is to know about cars and their engines? Well, are you ready then for the "Ultimate Car Engine Quiz"? You are? Then let's put our foot down and go, go, go!
How to Find Eco-friendly Products
science.howstuffworks.com/environmental/green-science/eco-friendly-products.htm
What's the smartest step you can take to help reduce pollution and live in a more sustainable way?