Energy

Renewable Energy

Browse key developments, news, and technical briefs for renewable energy sectors. Design engineers will discover insights to the advantages and integration of renewable power technologies.

Latest Briefs & News

A new design enables artificial photosynthesis to generate fuel that can power homes and vehicles.
Question of the Week: Energy
Will We Ever See Humidity Panels Alongside Solar Panels?

Our lead INSIDER story featured an experiment from Tel Aviv University that supports the idea of water vapor as an alternative energy source.

What do you think? Will We Ever See Humidity Panels Alongside Solar Panels?

Share your questions and comments.

Although perovskites are a promising alternative to silicon for solar cells, new manufacturing processes are needed to make them practical for commercial production. To help...

"Who knows? Maybe one day we will have roofs covered with humidity panels together with solar panels," TAU professor Colin Price told Tech Briefs.
Question of the Week: Transportation
Will On-Demand Octane Improve Fuel Economy?

A video on Tech Briefs TV this month demonstrated a Pacific Northwest National Laboratory technology that enables on-demand octane by portioning ethanol from gasoline. PNNL researchers believe their invention could increase fuel economy and lower greenhouse gas emissions. Do you agree? Watch the video...

This type of energy source could be the basis for robots that seek out and “eat” metal, breaking down its chemical bonds for energy like humans do with food.
Facility Focus: Sensors/Data Acquisition
Facility Focus: Rensselaer Polytechnic Institute
Rensselaer Engineering focuses on solving the “grand challenges” facing humanity.
This method of producing clean syngas could be used to develop a sustainable liquid fuel alternative to gasoline.
This green process produces pristine graphene in bulk using waste food, plastic, and other materials.
This new design could conserve energy used for defrosting airplanes, appliances, and more.
This fast, flexible tool allows researchers to quickly compare and prioritize strategies for converting biomass to fuels and products.
Applications include powering portable electronic devices and sensors, and harvesting waste mechanical energy for aircraft, automobile, and other transportation equipment.
Q&A: Mechanical & Fluid Systems
Q&A: Simple Solar-Powered Desalination
Lenan Zhang and his team at MIT developed a small, economical, highly efficient device to provide fresh drinking water using only the Sun for its energy input.
A wildfire-preventing gel; NASA's 3D tissue models, and more.
A new method provides a more efficient, safer, and cost-effective way to produce cadmium telluride material for solar cells or other applications.
Fuse devices enable circuit safety in high-power applications, such as motion control and alternative energy generation, in addition to electric vehicles.

Materials called perovskites show strong potential for a new generation of solar cells, but they’ve had trouble gaining traction in a market dominated by...

Question of the Week: Automotive
Will We Ever Recharge Electric Batteries As Quickly As We Get Gas?

Stanford University researchers have developed a machine learning-based method that cuts battery testing times by 98 percent. The team says that their A.I. technique could lead to a future where an electric battery is recharged in the time it takes to stop at a gas station. Watch...

The additive creates fuel from biomass while improving engine performance.
Question of the Week: Energy
Will Rain Become a Viable Energy Source?

Our lead INSIDER story today demonstrated the power of a droplet energy generator – specifically the system’s ability to light up 100 LEDs with just a small amount of water.

An energy breakthrough from the City University of Hong Kong finds power in a single drop of water – up to 140 volts, in fact.
Briefs: Mechanical & Fluid Systems
Catalysis Approach Reduces Carbon Dioxide to Methane
This approach is a cost-effective way to convert carbon dioxide gas into methane.
Electric motors and gas-alcohol engines could slash pollution levels and greenhouse gases from long-haul trucks.
Heartbeat-based biometrics, sonic-boom displays, and an artificial leaf.
Life support research for astronauts enabled a solution to one aspect of climate change.
Briefs: Electronics & Computers
Device Creates Electricity from Snowfall
The nanogenerator also acts as a weather station.
Briefs: RF & Microwave Electronics
Photovoltaic-Powered Sensors
RFID-based devices work in indoor and outdoor lighting conditions and could transmit data for years before they need to be replaced.
When combined with saltwater, rust can be a source of electricity.

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