World's most efficient engine becomes a colossal clean energy generator

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Wärtsilä 31SG-H1 hydrogen-ready engine

The Wärtsilä 31 engine is in the Guinness Book of World Records for being the most efficient 4-stroke marine engine ever made in its class. It also boasts the highest power per cylinder in engines of equivalent bore size. It can be configured in 8 to 16 cylinders and with a power output ranging from 4.6 mW to 10.4 mW at 720 and 750 rpm.

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Paddock Paradise focuses on storage and comfort – for people and cats

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Acorn Tiny Homes, the firm behind the Purple Heart Manor, recently completed another large and luxurious model. Named the Paddock Paradise, the towable dwelling has a spacious interior layout that's chocked-full of storage space and home comforts, including a few for the owner's cat. Continue Reading Category: Tiny Houses , Lifestyle Tags: Building and Construction , Tiny Footprint , Micro-House , House , Home
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