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Fuel

Hammarby Sjöstad was originally engineered to have a carbon footprint 50 percent lower than the rest of Stockholm.

This Stockholm Neighborhood Was Built on Ambitious Sustainability Goals. When It Came Up Short, It Doubled Down and Became a Blueprint for Others

The original plan for Hammarby Sjöstad was for an eco-village aimed at attracting the Olympics. They never came, but the locals moved in and, with upgrades, hope to be carbon neutral by 2030

Gas stoves are responsible for more than half of some Americans’ total exposure to toxic nitrogen dioxide, a new study suggests.

Gas Stoves Are Poisoning Americans by Releasing Toxic Fumes Associated With Asthma and Lung Cancer

In the United States, gas stoves are the main source of indoor nitrogen dioxide—a toxic gas tied to many health problems—according to a new study

By 2030, demand for fuel made from animal byproducts is expected to triple, per a new report.

Using Pig Fat as Airplane Fuel Could Hurt the Environment, Study Says

Though it’s generally seen as sustainable, using animal fat to power planes could force other industries to rely on more harmful palm oil

The new trains will feature better lighting, improved signage, panoramic windows, outlets and USB ports and other upgrades.

Take a Sneak Peek at Amtrak’s Newest Trains

The Airo trains will have larger windows, newly designed cafe cars and updated seating

It’s shocking how many everyday inventions we use without acknowledging the inventors that helped bring them to us.

Innovation for Good

Five Women Inventors You Didn’t Learn About in History Class

These innovators pioneered word processing, launched Americans into space and more

Within a few years, NASA’s OSAM-1 mission will launch into space and use a robotic arm to refuel the Landsat 7 Earth-observation satellite, as shown in this animation.

Robots May Soon Fix and Fuel Satellites in Space

Orbiting machines that grip, grapple and maneuver could one day maintain the fleet of small spacecraft that encircle Earth

Leaded gasoline has been banned in the U.S. for decades but was still used in other parts of the world. Less than 20 years ago, 117 countries still used leaded gas.

Planet Positive

Leaded Gasoline Use in Vehicles Has Now Officially Ended Worldwide

A refinery in Algeria used the world’s last stockpile of the fuel

A new chemical process uses an iron-based catalyst to turn carbon dioxide into jet fuel. So far the process has only been proven effective in lab settings, but if researchers can scale it up it could lessen the climate impact of air travel.

New Research

Scientists Use Iron to Turn Carbon Dioxide Into Jet Fuel

If the chemical reaction at the heart of the process can be scaled up, it could help reduce the carbon footprint of air travel

Why Aren’t There Electric Airplanes Yet? It Comes Down to Batteries.

Batteries need to get lighter and more efficient before we use them to power energy-guzzling airplanes

FOG (fats, oils and greases) in various stages of treatment

Turning Fatbergs Into Biofuel

Researchers have developed a new method for recycling greasy sewer blockages into green fuel

Future of Energy

Could Giant “Solar Rigs” Floating On the Ocean Convert Seawater To Hydrogen Fuel?

Scientists at Columbia University have designed a device that could make the process economically viable

Future of Energy

Greek Yogurt Fuels Your Morning…And Your Plane?

Researchers have developed a method for turning yogurt whey into bio-oil, which could potentially be processed into biofuel for planes

Ask Smithsonian

Why Do So Many Train Stations Have the Same Name?

You asked, we answered

It seems that it’s only a matter of time before we have the technology for switchgrass, shown here, to replace corn as a feedstock for ethanol.

Future of Energy

The Next Generation of Biofuels Could Come From These Five Crops

Researchers are currently developing biofuels from these abundant species, which require relatively little land, water and fertilizer

Birth weights declined near the Paradise Fossil Plant in Kentucky during the 1980s.

New Research

Coal-Fueled Power Plants Linked to Lower Birth Weights in Tennessee Valley

When nuclear power plants pressed pause, coal stepped in—and birth weights began to decline

Put on your sunglasses—when in action, this artificial sun is 10,000 times brighter than the usual solar radiation here on Earth.

Cool Finds

This New Man-Made Sun Is 10,000 Times More Intense Than Sunlight on Earth

It’s a bright idea that just might help humans create solar fuel

Fulcrum BioEnergy converts household trash into biofuel for airplanes.

Future of Energy

Could Garbage Fuel Airplanes?

Fulcrum BioEnergy wants to divert trash from landfills and create cheap green energy

The process involves speeding up the fermentation of wood sugars. The resulting alcohol is then converted into jet fuel.

The Innovative Spirit fy17

Could Wood Scraps Fuel Planes?

Alaska Airlines powered a cross-country commercial flight using a new biofuel derived from wood waste

A coal power plant in Mehrum, Germany.

Future of Energy

Scientists Stumble on a New Way to Tackle Carbon Emissions: Turn It Into Alcohol

A surprising new use for nanotechnology essentially reverses combustion

The Innovative Spirit fy17

When the Inventor of the Diesel Engine Disappeared

Rudolf Diesel’s fate is still intriguing to this day

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