When I observe student teachers in a school auto shop, there is almost always an engine retrofitted to run on biofuels like used peanut oil.
The rule would not require engine manufacturers to retrofit existing engines on ships.
Harley and his researchers will return to the port area several more times over the next two years as the remaining 2004-2006 truck engines are retrofit with filters.
The Green New Deal, endorsed by several Democratic presidential candidates, proposes to phase out internal-combustion engines and retrofit all buildings in the United States over a short time.
He ordered it to meet immediately with federal Environmental Protection Administration officials to determine what it must do to rebuild the engines and retrofit the British-built buses to meet the emissions standards.
The ministry ordered a recall of more than 2.4 million VW cars to have revised engine software retrofitted, while an additional 630,000 vehicles from other manufacturers which were "optimised" for type approval tests will eventually also have their emission control systems overhauled.
Up to 800 commercial combustion-engine vehicles will be eligible to retrofit their old engines with cleaner alternatives.
Since dual-injection engines are not available in the market, a spark-ignition engine has been retrofitted for dual-injection operation so that the proposed controller can be implemented and evaluated experimentally.
Canada's North runs on diesel and what is required in the short term is a crash program to retrofit diesel engines to make them more efficient, as California has done, and longer term to move to a more sustainable energy future.
In another example, an Isuzu NPR, a medium-duty truck that achieves roughly 12mpg with a diesel engine, returned 44mpg after a retrofit by Wrightspeed.
"The idea is to retrofit a small hybrid/electric engine into current vehicles in Facilities' fleet," D'Entremont says.
