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Ad Astra Rocket Company and Cummins use hydrogen/biogas to power Cummins generator in Costa Rica

Green Car Congress

The teams also designed a reliable process to mix and control hydrogen and biogas, and use together as an efficient energy source. kW renewable energy system being studied for potential commercialization by a combined team from Ad Astra Rocket Company, Cummins Inc. and EARTH University in Costa Rica.

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EGEB: Maryland offshore wind plans make a great leap forward

Electrek

In today’s Electrek Green Energy Brief (EGEB): Baltimore-based US Wind announces a new offshore wind farm and other major developments. Costa Rica is considering a permanent ban on fossil fuel exploration and extraction. Tesla now offers price matching, so it’s important to shop for the best quotes.

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This Startup Builds USVs That Collect Data About Oceans

Cars That Think

The startup offers marine data as a service using its solar-powered Data Xplorer ocean drones, which eliminate the need for traditional crewed vessels. Thanks to the combination of solar cells and lithium batteries, she says, “our boats can operate and travel nonstop for months, without needing refueling or external recharging.”

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Coal Into Cars: The Good, the Bad, the Ugly

Plugs and Cars

And ultimately, you can get no cleaner car than an electric car using wind or solar generated electricity. The energy required to make biological matter into liquid fuel certainly tips the balance against ethanol, just as it does with liquid coal. It is touted as part of a move toward independence from foreign oil.

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5 Countries Taking Action to Reach Net-Zero Targets

CleanTechnica EVs

To date, over 90 countries have set net-zero emissions targets, committing to help prevent the most harmful impacts from climate change. But questions remain around the credibility of many of these pledges and whether these goals will be met.