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cost competitive

Driving Electric Is Cheaper For Almost Everyone | Earth Wise

February 24, 2023 By EarthWise Leave a Comment

A study by University of Michigan researchers found that about 90% of U.S. households would save money on fuel costs by owning an electric car rather than a gas-powered car.  So apart from the environmental benefits of electric cars, there are real economic benefits as well.

Both the price of gasoline and the price of electricity vary considerably across the country, so there are differences by location.  The study found that 71% of U.S. drivers would see their fuel expenses cut at least in half by driving an electric car.


Drivers in California, Washington, and New York would see the largest fuel savings as well as the biggest emissions reductions from a new electric car.  Those states have cleaner electric grids and a bigger gap between the cost of electricity and the cost of gas.

The study, published in the journal Environmental Research Letters, only looked at fuel costs and did not take into account the purchase cost of new cars.  Generally speaking, plug-in cars have higher sticker prices than gas-powered cars but multiple studies have shown that over their lifetimes, electric vehicles end up being cheaper to own than comparable gas-powered vehicles because of lower maintenance costs on top of the fuel savings.  The price gap between equivalent gas and electric cars continues to narrow in any case as the cost of batteries continues to decline.  On top of that, the recent expansion of federal tax credits on electric cars is making the vehicles cost-competitive right at the point of purchase.

Gasoline prices have come down considerably from their peak a year ago, but for almost everyone, it is still much cheaper to drive on electricity.

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Seven in 10 U.S. Drivers Could Halve Their Fuel Costs by Going Electric, Study Finds

Photo, posted April 23, 2022, courtesy of Pedrik via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio

Coal In The UK And Asia | Earth Wise

August 20, 2021 By EarthWise Leave a Comment

Coal power is in a permanent decline

Coal was the driving force of the British industrial revolution beginning in the 18th century.  Coal was used for manufacturing iron, heating buildings, driving locomotives, and more.  Annual coal production in the UK peaked in the year 1913 at 316 million tons.  Until the late 1960s, coal was the main source of energy produced in the UK.

Recently, Britain announced that it plans to phase out coal power entirely by October 2024, one year earlier than its previous target date.  This is on the heels of a dramatic decline in coal usage over the past decade.  In 2012, coal accounted for 40% of the UK’s power generation.  By 2020, that number was 1.8%.

In both Europe and the United States, coal power is generally significantly more expensive than renewable power from the sun and wind.  As a result, market forces have driven the demise of coal power in those places.

The situation is different across much of Asia where coal power remains cost competitive.  Five Asian countries – China, India, Indonesia, Japan, and Vietnam – still have plans to build more than 600 new coal-fired power plants, which is bad news for the environment.  In 2020, China produced more than half of the world’s coal power, which reflects both the growth of coal in Asia and its decline in the U.S. and Europe.

Despite all this, experts predict that it will be more expensive to run almost all coal plants globally than to build new renewable energy projects by the year 2026.  Sooner or later, coal power will no longer make its unfortunate contributions to the world.

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UK Aims to Dump Coal Early, While Asia Stays the Course

Photo, posted March 8, 2021, courtesy of Stanze via Flickr.

Earth Wise is a production of WAMC Northeast Public Radio.

A Water-Based Battery

January 3, 2019 By EarthWise Leave a Comment

https://earthwiseradio.org/wp-content/uploads/2019/01/EW-01-03-19-A-Water-Based-Battery.mp3

The transition from fossil fuel-based power plants to clean, renewable energy sources is accelerating as both wind and solar power get cheaper and increasingly become cost-competitive with traditional power sources.   The biggest stumbling block both energy sources face is that they cannot always supply power on demand but require the sun to shine and the wind to blow.

[Read more…] about A Water-Based Battery

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