Engineering publications brought to you by Mark Allen

Renewables

Long-life battery system stores electrical energy in liquid form

Tin dioxide offers sufficient transparency for solar cells

Alstom and SEE set to develop wave-energy site off Orkney

A week of transport icons

UK government set to invest in tidal-energy demonstration

Competition encourages young women to become engineers

Biodiesel production method could reduce fuel's drawbacks

US researchers create low-cost solar paint using quantum dots

Dalkia receives consent for waste-wood power plant

Google invests in utility-scale US solar photovoltaic projects

Sterecycle raises £5.1m in equity finance from investors

ABB invests in California-based photovoltaics firm GreenVolts