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How Diesel Engines Work
auto.howstuffworks.com/diesel.htm
Diesel engines are often more efficient and less expensive to operate than their gasoline alternatives. So why aren't there more diesels on the roads? Well, they have their own issues, too.
5 Products for Better Fuel Economy
auto.howstuffworks.com/fuel-efficiency/fuel-saving-devices/5-products-better-fuel-economy.htm
Is it possible to improve your fuel efficiency? Keep reading to discover 5 Products for Better Fuel Economy.
Top 10 Car Summer Maintenance Tips
auto.howstuffworks.com/car-driving-safety/accidents-hazardous-conditions/summer-car-maintenance.htm
The top 10 summer car maintenance tips can help you keep your car healthy in the heat. Find out about the top 10 summer car mainenance tips.
What Does a Catalytic Converter Do and Why Do People Steal Them?
auto.howstuffworks.com/catalytic-converter.htm
Catalytic converters are one of the most important parts of a car's emissions control system. Learn about catalytic converters and catalytic converter laws.
How Central Vacuum Systems Work
home.howstuffworks.com/central-vacuum.htm
When the floor needs a good cleaning, most of us reach for the portable vacuum cleaner and drag it around the house. Well, what if your whole house were a vacuum? Find out how central vacuum systems work.
Top 7 Ways to Improve the Energy Efficiency of Your Garage
home.howstuffworks.com/home-improvement/heating-and-cooling/improve-energy-efficiency-garage.htm
Your garage is probably the most inefficient room of your house, but it doesn't have to be that way! Learn more about the top 7 ways to improve the energy efficiency of your garage.
How the MQ-9 Reaper Works
science.howstuffworks.com/reaper.htm
Early unmanned aerial vehicles (UAVs) primarily carried out reconnaissance missions in war zones, but the Reaper packs some serious heat. Is there anything more foreboding than a drone with a Hellfire missile?
Why is there a bulge in the exhaust pipe of my dirt bike?
auto.howstuffworks.com/question636.htm
I have a dirt bike, and the exhaust pipe has this big bulge in it near the engine. What is the bulge for?
How do ducks float?
animals.howstuffworks.com/birds/duck-float.htm
To understand why ducks float, you have to know a little about buoyancy, but that's not the sole principle at work. Learn why else ducks float.
Can humans hear in space?
science.howstuffworks.com/humans-hear-in-space.htm
To hear in space involves several variables, including sound movement and environmental medium. Learn if humans hear in space.