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energy efficiency

Environment

Pay-monthly option for heat pumps could help Europe cut emissions

Customers in the UK, Germany and Italy will soon be able to replace gas boilers with heat pumps from Swedish company Aira and pay a monthly fee instead of a hefty installation cost

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Can recreating black holes in the lab solve the puzzles of space-time?

Physics

Can recreating black holes in the lab solve the puzzles of space-time?

Features

A well for hydrogen production in Geneva, Nebraska

Earth

World's first drilling project to seek natural hydrogen hits a snag

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Vertical farm cuts energy use 75 per cent by using sunlight

Environment

Vertical farm cuts energy use 75 per cent by using sunlight

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Amogy's tug boat

Technology

Start-up is developing world’s first ammonia-powered ships

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Environment

Europe survived its winter energy crisis, but what happens next year?

Analysis

rippled graphene with dissociated hydrogen atoms on top

Chemistry

Graphene with ripples could help make better hydrogen fuel cells

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Technology

Windows filled with see-through wood layer help hold in heat

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The Winthrop Center is the tall glass building at the back

Environment

World’s largest office building with 'passive house' design to open

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Electric power station with blue sky background

Technology

A massive power transformer shortage is wreaking havoc in the US

A nationwide shortage of power grid transformers is causing delays across the US for everything from infrastructure for electric vehicles to new homes

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Chemistry

Soil bacteria enzyme generates electricity from hydrogen in the air

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Earth

Gold hydrogen: Is there a huge reserve of clean fuel in Earth's crust?

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Technology

Heating water with computer servers could save UK homes £150 a year

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Environment

Eco-friendly exoskeleton cuts apartment building energy use by 60%

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