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liter Dynamic-Force direct-injection inline four-cylinder engine (M20A-FKS) ( earlier post ) with gains in power, fuel efficiency, and cleaneremissions. Together, the valve timing systems enhance power output and fuel economy, and cut harmful emissions. From Toyota’s December 2016 introduction of TNGA powertrain technologies.
This contrasted with the trends for the preceding five year period (2005–2009) when a wider upward tendency was observed in ΔNO 2 concentrations; this can be attributed in part to a 3% rise in the number of diesel buses and coaches between 2005 and 2009 and to the failure of tighter Euro class emissions standards. between the two periods.
Royal Caribbean is making progress on energy efficiency and reduced emissions through such technologies as air lubrication, which sends billions of microscopic bubbles along the hull of a ship to reduce friction, and advanced emissions purification (AEP) scrubbers, which clean exhaust gases before they leave the ship.
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