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

Green Car Congress

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. Other components of this system include an Ad Astra-designed solar and wind-based hydrogen production and storage system.

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

Plugs and Cars

The Good About half our electricity comes from coal, and that will change, at best, slowly as we move to renewables. And ultimately, you can get no cleaner car than an electric car using wind or solar generated electricity. It should be perhaps our last fuel of choice regardless of how it's used. But not all use of coal is alike.

Coal 100