Energy & Green Tech news

Engineering

Form fit: Device wraps around hot surfaces, turns wasted heat to electricity

The energy systems that power our lives also produce wasted heat—like heat that radiates off hot water pipes in buildings and exhaust pipes on vehicles. A new flexible thermoelectric generator can wrap around pipes and ...

Energy & Green Tech

Calculating the coming aluminum demand for solar panels and how to mitigate its greenhouse impact

A team of researchers at the University of New South Wales has found that due to increased demands for solar panels in the coming years there will be a corresponding increase in the need for aluminum to support them. In their ...

Energy & Green Tech

The value of wind energy

Two teams of researchers from Pacific Northwest National Laboratory (PNNL) have shown that wind energy offers logistical, economic, and environmental value to consumers and utilities from the coast of Oregon to remote villages ...

Energy & Green Tech

Quantum dots boost perovskite solar cell efficiency and scalability

Perovskites are hybrid compounds made from metal halides and organic constituents. They show great potential in a range of applications, e.g. LED lights, lasers, and photodetectors, but their major contribution is in solar ...

Energy & Green Tech

Demand for rare minerals and metals creates eco-dilemma

According to the International Energy Agency (IEA), the demand for so-called critical raw materials (CRMs) will increase sevenfold by 2050. The reason for this is that our green, renewable energy technologies require far ...

Energy & Green Tech

Operating truck fleets with lowest possible emissions

Converting truck fleets to renewable energy is a goal of many fleet operators worldwide. This has also been recognized by HERE, a global navigation software company; the company is a joint subsidiary of German automakers ...

Energy & Green Tech

GM expands market for hydrogen fuel cells beyond vehicles

General Motors is finding new markets for its hydrogen fuel cell systems, announcing that it will work with another company to build mobile electricity generators, electric vehicle charging stations and power generators for ...

Energy & Green Tech

The case for a global energy grid based on 100% renewable energy

Researchers at the Birmingham Energy Institute are working with the C-EPRI Electric Power Engineering Ltd (C-EPRI), to build an industrial-scale prototype of a next-generation HVDC technology that could pave the way for a ...