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The Engineer

Sensor speeds water analysis

GE engines turn cow dung to biogas

Scooter has detachable battery

Evan Harris on Lib Dem science policy

Spill exposes unprepared industry

Thermal energy treats asthma

Shark-inspired chemical sensors

Agent-based system manages energy use

CBI reports rising goods demand

ABB announces Ventyx acquisition

Fruit waste provides antioxidant source

Increasing engine efficiency