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A DIY E-bike Conversion on the Cheap

Cars That Think

Purpose-built electric bikes and e-bike conversions using hub-motors are now commonplace. That got me thinking, how hard would it be, and how much would it cost, to do a simple conversion now? That got me thinking, how hard would it be, and how much would it cost, to do a simple conversion now? If anything, it's gone up.

DIY 145
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A DIY E-bike Conversion on the Cheap

Cars That Think

Purpose-built electric bikes and e-bike conversions using hub-motors are now commonplace. That got me thinking, how hard would it be, and how much would it cost, to do a simple conversion now? That got me thinking, how hard would it be, and how much would it cost, to do a simple conversion now? If anything, it's gone up.

DIY 98
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NREL sets new world efficiency record for solar hydrogen production: 16.2%

Green Car Congress

The authors are James Young, Myles Steiner, Ryan France, John Turner, and Todd Deutsch, all from NREL, and Henning Döscher of Philipps-Universität Marburg in Germany. France, John A. A paper in Nature Energy outlines how NREL’s new record was achieved. Döscher has an affiliation with NREL. Young, Myles A. Turner & Todd G. 2017.28.

Hydrogen 207
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MIT team discovers new family of materials with best performance yet for oxygen evolution reaction; implications for fuel cells and Li-air batteries

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The discovery of new cost-effective and highly active catalysts for electrochemical energy conversion and storage is of prime importance to address climate change challenges and develop storage options for renewable energy production. Nature Communications 4, Article number: 2439 doi: 10.1038/ncomms3439.

MIT 218
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Wind-to-Hydrogen Tech Goes to Sea

Cars That Think

Then, as now, wind farms are operating off the world’s coasts—but not all of these offshore sites are connected to the mainland via underwater power cables. Because there’s no grid connection, the platforms will basically operate as small, isolated power grids and therefore have to handle any sudden surges in power.

Wind 92
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Travels with Perplexity AI

Cars That Think

He’d just handed me a bag of single-origin cascara, the dried flesh of coffee cherries, in his shop, Cafés Muda in Lille, France. Dawn and I used Perplexity as an on-demand travel guide throughout our tour of the Flemish region of Belgium and Northern France. You were just trying to figure out how to enable conversations.”

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Total and partners launch $16B ultra-deep Kaombo project offshore Angola

Green Car Congress

The Kaombo development scheme includes 59 subsea wells, connected through approximately 300 km (186 miles) of subsea lines, to two floating production, storage and offloading (FPSO) vessels, each with a production capacity of 115,000 barrels per day. France-based Total has been present in Angola since 1953.

Angola 170