Engineering publications brought to you by Mark Allen

Energy & environment

Membrane could improve air-cooler efficiency

Informed decisions

Harland and Wolff to produce 250kW tidal turbine

Ultra-sensitive sulphur detector

BP installs sealing cap in Gulf of Mexico

Fiat enters solar-panel development deal

First Solar acquires Nextlight in £200m deal

Tidal-stream device undergoes final testing

Government encourages microgeneration

BP oil spill costs rise to $3.5bn

WHEB invests in recycled-plastics business

Technology fix needed for water shortages