Engineering publications brought to you by Mark Allen

Energy & environment

Combined harvester

Conventional wisdom

APC acquired for $6.1bn

ABB wins power contracts in Mexico

Rolls-Royce launches fuel cell business

Brazilian drilling deal for Aker Kvaerner

Tripod transformer tames solar storms

China rail and power deals for Alstom

More grist to mills row

Room at the top?

Elementary solution

Energy efficiency