A discussion on the recent approval of the low carbon fuel standard

The first of six new ships was recently launched at Gulf Coast Shipyard in Gulfport, Mississippi and is expected to be christened and pressed into service later this year. The text from the Federal Commission Newsroom is as follows:

Particulate matter UN Regulation 83[ edit ] Some or all of the following parameters are measured depending upon the requirements of the region implementing the test: The cycles may be performed on a flat road, in the absence of wind.

However, to improve repeatabilitythey are generally performed on a roller test bench. This type of bench is equipped with an electrical machine to emulate resistance due to aerodynamic drag and vehicle mass inertia.

For each vehicle configuration, a look-up table is applied: This arrangement enables the use of a single physical vehicle to test all vehicle body styles Sedan, hatchback, MPV etc.

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A fan is coupled to the roller bench to provide the vehicle air intakes with an airflow matching the current speed. Many more tests can be performed during vehicle development with this arrangement than with conventional road tests.

The test is conducted with all ancillary loads turned off Air conditioning compressor and fan, lights, heated rear window, etc. Combined[ edit ] The combined fuel economy is calculated by a total consumption of urban and extra-urban cycles over the total distance theoretical meters.

Criticism[ edit ] Inability to represent real-life driving[ edit ] The NEDC was conceived when European vehicles were lighter and less powerful. The test offers a stylized driving speed pattern with low accelerations, constant speed cruises, and many idling events.

However the fixed speeds, gear shift points and accelerations of the NEDC offer possibilities for manufacturers to engage in what is called 'cycle beating' to optimise engine emission performance to the corresponding operating points of the test cycle, while emissions from typical driving conditions would be much higher than expected, undermining the standards and public health.

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It’s always risky to make broad assertions about history, but one of the few things that seems to hold true is that technological advances drive the course of civilization. Canada announces plans for national low-carbon fuel standard By Erin Voegele | November 28, On Nov. 25, the government of Canada announced plans to develop a low-carbon fuel standard that would require reductions in the carbon footprint of fuels supplied in the nation based on lifecycle analysis.

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