Alternative Fuels

Test Your Knowledge About Hydrogen Fuel Cells

Here is a five-question quiz to see how much you know about fuel cells. Take now!

Microbial Fuel Cell Uses Soil Bacteria to Power Agricultural Sensors

Precision agriculture uses sensors to monitor soil and help farmers improve yields. However, powering these sensors with continuous, uninterrupted power is challenging due to limited battery capacity and limited development of renewable power. To help address farmers' power needs, Northwestern University researchers have developed a fuel cell the size of a paperback that captures energy as microbes break down organic matter, powering underground sensors for agriculture and environmental monitoring.

How Much Do You Know About Alternative Fuels?

Fuel supply and costs are a growing concern for consumers and businesses alike. Fleets running medium- and heavy-duty commercial vehicles have many options beyond conventional diesel fuel. Test your knowledge on the history and current state of alternative fuels with this quiz.

H2-ICE Is Heating Up

Zero-carbon fuels are gaining momentum for hard-to-electrify mobility sectors as well as for stationary power generation. Hydrogen internal combustion engines are staking their claim as a future pathway for long-haul trucking, heavy off-highway machines, maritime vessels, and gensets. Test your knowledge about hydrogen combustion engines in this quiz.

Watch Out, Li-ion Batteries: This Battery Made of Natural Materials Could Replace You!

What if the next battery you buy was made from the same kinds of ingredients found in your body? That’s the idea behind a breakthrough battery material made from natural, biodegradable components. It’s so natural, it could even be consumed as food.

How Much Do You Know About Wind Turbines?

Wind turbines are imperative in our search for renewable energy as we aim to reduce our reliance on fossil fuels. How much do you know about wind turbines? Find out with this quiz.

Flexible Silicon Photovoltaics: A Breakthrough in Space-Grade Solar Power

In-space manufacturing is expected to become a core part of future space economy by using assets in orbits or beyond Earth orbit for use in space. Tech Briefs interviewed space-focused solar energy startup Solestial’s CTO Stanislau Herasimenka about the key technology developments leading to this increased momentum for space-based manufacturing and the role solar power will play in it. Read on for the full interview with Herasimenka, edited for length and clarity.

How ISS Will Be Evaluating Photovoltaic Materials

Solar cells account for approximately six percent of the electricity used on Earth; however, in space, they play a significantly larger role, with nearly all satellites relying on advanced solar cells for their power. That’s why Georgia Tech researchers will soon be sending 18 photovoltaic cells to the International Space Station (ISS) for a study of how space conditions affect the devices’ operation over time. Read on to learn more.

Sealing the Future of Hydrogen: Advanced Gaskets for Electrolyzer Efficiency

As a key technology in the transition to cleaner energy, electrolyzers are critical in enabling hydrogen production without reliance on fossil fuels. However, these renewable systems face significant engineering challenges that require meticulous technical attention. Read on to learn more.

Making Hydrogen Power a Practical Proposition

Occupying a unique space as both an energy vector and a fuel, hydrogen has gained interest for propulsion and power generation applications over the past several years. Hydrogen has been investigated thoroughly throughout the previous decades, but with advances in hydrogen generation and infrastructure, and the increasing need to low-carbon propulsion solutions across all sectors, hydrogen propulsion may be poised for significant market penetration. Read on to learn more.

Sustainable Transportation Summit

SAE International's inaugural Sustainable Transportation Summit explores the transformative potential of hydrogen and alternative fuels in reshaping the future of transportation.

Anode-Free Solid-State Batteries: Beyond Li-ion’s Limitations

A team led by Kelsey Hatzell, Associate Professor of Mechanical and Aerospace Engineering and the Andlinger Center for Energy and the Environment, has uncovered insights that could help power a new type of battery, called an anode-free solid-state battery, past Li-ion’s limitations. Read on to learn more about it.

Making Transparent Solar Cells Manufacturable

In an important step toward bringing transparent solar cells to home windows, researchers at the University of Michigan have developed a way to manufacture highly efficient and semitransparent solar cells. Read on to learn more about it.

New System for Turning Seawater into Hydrogen Fuel

Researchers have found a way to tease hydrogen out of the ocean by funneling seawater through a double-membrane system and electricity. The design successfully generated hydrogen gas without producing large amounts of harmful byproducts. Read on to learn more.

Harvesting Energy from Microbes in Soil

A Northwestern University-led team of researchers has developed a new fuel cell that harvests energy from microbes living in dirt. About the size of a standard paperback book, the completely soil-powered technology could fuel underground sensors used in precision agriculture and green infrastructure. Read on to learn more.

Power Line Test Bed Energizes Technologies for Increasing Grid Capacity

As population growth and extreme temperatures strain the United States power grid, utilities and equipment manufacturers are looking for ways to increase the amount of...

A Yarn-Like Seawater Battery

Researchers have developed a yarn-like battery prototype that works when immersed in seawater.

3 Energy Technologies that Will Power Your Interest

Watch this video to learn more about three new energy technologies. One is from Rice University; one is from Université Grenoble Alpes, Grenoble, France and University of San Diego, CA; and the last one is from Swiss Federal Laboratories for Materials Science and Technology (Empa).

Process Purifies Hydrogen Fuel Over a Broad Temperature Range

New fuel cells could increase hydrogen’s application in vehicles, especially in extreme temperatures like cold winters. Read on to learn more about it.

A Stretchable, Wearable Device that Fully Utilizes Body Heat

UW researchers have developed a flexible, durable electronic prototype that can harvest energy from body heat and turn it into electricity that can be used to power small electronics.

Anode-Free Sodium Solid-State Battery

A team has created the world’s first anode-free sodium solid-state battery. This research has brought the reality of inexpensive, fast-charging, high-capacity batteries for electric vehicles and grid storage closer than ever. Read on to learn more.

Using Mushrooms to Control Robots

By harnessing mycelia’s innate electrical signals, the researchers discovered a new way of controlling “biohybrid” robots that can potentially react to their environment better than their purely synthetic counterparts.

Medium-Voltage Converters Can Replace Grid Transformers

To electrify everything from vehicles to heating systems to stovetops, the U.S. grid must expand by about 57% and get more flexible, too. Solar and wind energy are the renewables most...

Behold: The First Battery Prototype Using Hemoglobin

Researchers have developed a battery that uses hemoglobin as an electrochemical reaction facilitator, functioning for around 20-30 days.

A New Design for Lithium-Sulfur Batteries

Scientists at the U.S. Department of Energy’s (DOE) Argonne National Laboratory are researching solutions to these Li-ion battery issues by testing new materials in battery construction. One such material is sulfur.

Developing More Durable Solar Cells

An international research collaboration led by UCLA has developed a way to use perovskite in solar cells while protecting it from the conditions that cause it to deteriorate.