- Rolls-Royce Designing Energy-Efficient Propeller Engine http://cleantechnica.com/2008/10/20/rolls-royce-designing-energy-efficient-propeller-engine/ 21 comments technology
Linked pages
- Rolls-Royce brings propeller engines back in vogue | Travel and transport | The Guardian http://www.guardian.co.uk/environment/2008/oct/20/travelandtransport-rollsroyce 30 comments
- New Solar Farm Is A Carbon Sink And Prairie Preserver, Too https://cleantechnica.com/2023/02/11/new-solar-farm-is-a-carbon-sink-prairie-preserver-too/ 10 comments
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