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Articles on Energy efficiency

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A mini power plant in a North Sydney basement. Trigeneration plants like these generate electricity, heating and cooling far more efficiently than with mains power. AAP/Short Communications, Girrit Fokkema

How to save business billions, without cutting renewable jobs

The debate about the future of Australia’s Renewable Energy Target (RET) has largely focused on the issue of immediate costs to business. But if we’re thinking about Australia’s long-term economic interests…

Natural gas leaks more than predicted

Natural gas wells in the USA have considerably higher levels of leakage — fugitive emissions — than officials predicted…
A protester makes her feelings clear about the pink batts scheme in 2010. AAP Image/Alan Porritt

Pink batts: what did it teach us about building better buildings?

The political fallout over the ill-fated Home Insulation Program continues, with former prime ministers Kevin Rudd and Julia Gillard now having been summoned to appear before the Abbott government’s royal…
Restructuring the market is harder than it looks. David Cheskin/PA

Ofgem faces select committee, but market reform still lags

With high energy prices all anyone can talk about this winter, Ofgem’s interim chief Andrew Wright appeared before MPs today to defend the regulator’s performance. Predictably, he was met with some hostile…
Using less energy costs less. urbansolar

High bills? The cheapest energy is energy we don’t use

What’s the world’s most important fuel, as we head into the 21st century? Oil, coal, gas, renewables? A recent International Energy Agency report stated the most important fuel for the future is energy…
New homes go up at a housing estate at Cecil Hills in western Sydney. AAP/Dean Lewins

Why energy-saving homes often use more energy

Energy efficient houses are often thought to be a promising way to reduce our environmental footprint by using less energy and producing fewer greenhouse gas emissions. Yet, surprisingly, if you consider…
Rent is free, but scientists turn your lights on and off and open and close your doors remotely. University of Salford

Close doors, boil less water, turn down the heat – save £600

Britain’s housing stock is old and leaky. The vast majority fails to meet modern energy efficiency standards, is responsible for over a quarter of the nation’s greenhouse gas emissions, and is often very…
Solving energy problems requires more than just putting on a jumper. Steve Parsons/PA

Rising energy bills require brave leadership, not cuts

The nights are drawing in, leaves are changing from green to gold, and energy suppliers are announcing price hikes. Along with animals disappearing into hibernation, energy price rises have become what…
If bills are kept low, will there be a price to paid in other ways? Rui Vieira/PA

Miliband bill freeze won’t fix fuel poverty or leaky houses

First the banks lost the public’s trust, then the tax activities of some large corporations were brought under scrutiny. So perhaps taking on the “big six” UK energy companies as household fuel bills incessantly…
Electricity prices, renewable energy, climate change, uranium exports: what does the Coalition plan to do about our energy future? akeii/Flickr

Where to for energy policy under a Coalition government?

The Coalition has returned to government at a time of uncertainty and rapid change in almost every area of energy policy. With an energy policy released and a responsible minister named, what can we determine…
Bricks and mortar, yes, but how much insulation under the tiles? Rui Vieira/PA

Plugging 25 million leaky houses is no small task

The UK has some of the oldest – and leakiest – housing stock in the western world. The vast majority of it will still be standing in 2050, the year by which the government has set itself a target to cut…
Passivhaus homes at Wimbish, Essex. Mark Baigent

Making homes better for the climate, your wallet and health

In the UK, a third of all the energy used goes towards heating buildings and providing hot water, most of this, a quarter of the total, in homes. The thermal efficiency of UK homes has increased by one…
Keeping the heat in the places you want it is the most important part of any heating plan. Wunkai/Flickr

How to heat your house efficiently

Winter is coming, and all across the southern states eyes turn to energy bills and minds towards how to make them smaller. What is the most efficient way to heat your house? As with anything to do with…
Making power-hungry datacentres like these more energy efficient is vital. Schlüsselbein2007/Flickr

Your next computer can be any colour, so long as it’s green

Do you have a computer on a desk somewhere? Fans whirring, screensaver flickering, left on for days. Would you leave your washing machine running for days? Because over time, a desktop computer draws on…
Australia has so many energy sources to choose from: which way will we go? AAP Image/Lukas Coch

Energy revolution or bloody war – it’s our choice

Running a business in Australia’s energy sector is difficult. Proprietors have to contend with intense competition, rapid technological change, climate change, natural disasters…even complaints about rising…

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