Engineering publications brought to you by Mark Allen

Energy & environment

Nottingham University lands development work on electric air race aircraft engine

Underground farms could use redundant tunnels and fix carbon dioxide

Dutch regions look to battery power for zero-emission trains

Cooling metamaterial scaled up for low power air con

EU project uses drones to detect aerosols in ice clouds

Driving value in eight minutes

MPs criticise government's "vague and unambitious" electric vehicle plans

Robust composite to reduce price of converting solar heat to electricity

Carbon fibre can act as a structural battery component in vehicle bodies

City of dreaming wires: Siemens and Oxford Uni to explore virtual power network

Stabilising mat offers hope for commercialising lithium sulphur batteries

Last week's poll: limiting global warming to 1.5° C