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How Two-stroke Engines Work
science.howstuffworks.com/transport/engines-equipment/two-stroke.htm
A car engine uses a four-stroke cycle -- how can two strokes accomplish the same tasks? Learn all about the two-stroke engine, where it's used and how it compares to a four-stroke.
How the Best Public Transportation Benefits Cities and Residents
auto.howstuffworks.com/tech-transport/public-transportation-benefits.htm
A 2019 study evaluated public transportation in 100 U.S. cities, ranking them best to worst. HowStuffWorks explores the results and how we can benefit.
The Breatharian Lifestyle: Can Humans Survive on Air Alone?
science.howstuffworks.com/innovation/edible-innovations/breatharian.htm
Breatharians believe they can live only on the energy from sunlight, and do not need nourishment from food. Read all about the practice of Breatharianism.
Snake Plant: A Great Plant for People Who Aren't Great With Plants
science.howstuffworks.com/life/botany/snake-plant.htm
Snake plants are attractive and virtually ironclad houseplants, almost impossible to kill, though some of the hype about them acting as air purifying filters has been overblown.
Top 6 Innovations in Solar Power
science.howstuffworks.com/environmental/energy/6-innovations-solar-power.htm
Our energy systems are in need of a serious tuneup, for a number of reasons. Keep reading to learn about the Top 6 Innovations in Solar Power.
Love It or Hate It: Stop-start Technology Is Here to Stay
auto.howstuffworks.com/fuel-efficiency/fuel-saving-devices/stop-start-technology-is-here-to-stay.htm
Does stop-start technology really help with fuel economy? HowStuffWorks talked to experts to find out.
What Is a Hybrid Car? Learn How Hybrid Vehicles Work
auto.howstuffworks.com/hybrid-car.htm
How does a hybrid car improve your gas mileage? And more importantly, does it pollute less just because it gets better gas mileage? Learn how hybrids work, plus get tips on how to drive a hybrid car for maximum efficiency.
How Biodegradation Additives Work
science.howstuffworks.com/environmental/green-science/biodegradation-additives.htm
Plastic's handy, hardy stuff, but we don't want to leave piles of old forks and water bottles for future generations to trip over. Can special additives that break down plastics faster save the day?
How Fuel Cells Work
auto.howstuffworks.com/fuel-efficiency/alternative-fuels/fuel-cell.htm
A hydrogen fuel cell is an electrochemical energy conversion device. Learn why governments are pouring money into fuel cell research.
What If the Ozone Layer Disappeared?
science.howstuffworks.com/science-vs-myth/what-if/what-if-ozone-layer-disappeared.htm
It's a strange thing to think about, but have you ever wondered what would happen if the ozone layer suddenly wasn't there? Here's a hint: Getting a bad sunburn would be the least of your problems.