Transport and technology
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Warm table, cool planet
This quirky Japanese invention lowers your heating bill.
Green energy from coffee grounds wins firm prestigious prize
City’s addiction to its morning fix is warming homes and powering trucks.
Trekkers and travellers will love this portable wind turbine
Lightweight device allows you to recharge phones or equipment in the field.
The ultimate home-car-energy hook-up – made with a printer
Printed car and off-grid house created in high-tech collaboration.
The e-bike revolution
Known as ‘pedal-assist’ bikes, a new breed of clean, green electric bicycles is taking off in New Zealand – regardless of hills, headwinds or tired legs. Warren Judd finds out everything you need to know ...
Group plans floating cities by 2020
Think tank wants to take society to the blue frontier.
Generating power with washing machine motors: a reader’s question
Can you create electricity from old washing machine parts? (Hamish Duncan)
35-storey wooden skyscraper planned
Innovative timber towers could change the way we build.
Poo-powered bus sets speed record
Cow manure gets heavy vehicle up to 123km/h.
Save the earth: mine space!
Ambitious plan to mine asteroids already has seen spacecraft launched.