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  2. IEC 60034 - Wikipedia

    en.wikipedia.org/wiki/IEC_60034

    It classifies five classes: IE1 (standard), IE2 (high) and IE3 (premium), IE4 (super premium efficiency), IE5 (ultra premium efficiency). For each class the efficiency is defined for a rated output range from 0.75 to 375 kW. In the European Community the IE2 class is mandatory for all new motors since 16 June 2011. The IE3 class will be ...

  3. Premium efficiency - Wikipedia

    en.wikipedia.org/wiki/Premium_efficiency

    Premium efficiency, when used in reference to specific types of Electric Motors (with a rotating shaft), is a class of motor efficiency.. As part of a concerted effort worldwide to reduce energy consumption, CO 2 emissions and the impact of industrial operations on the environment, various regulatory authorities in many countries have introduced, or are planning, legislation to encourage the ...

  4. Ward's 10 Best Engines - Wikipedia

    en.wikipedia.org/wiki/Ward's_10_Best_Engines

    3.0L B58 I6-T & 145 kW electric motor: BMW X5 xDrive50e: Chevrolet: 6.2 L V8 HEV 6.2L LT2 OHV V8 & 120 kW electric motor Chevrolet Corvette E-Ray: Ford: 3.5 L V6 HEV 3.5L Ecoboost D35 V6-TT dual injection & 33 kW electric motor Ford F-150 Powerboost: Honda: 2.0 L Inline-four HEV 2.0L LFC-H4 I4 GDI & 135 kW electric motor Honda Civic Hybrid ...

  5. Electric car EPA fuel economy - Wikipedia

    en.wikipedia.org/wiki/Electric_car_EPA_fuel_economy

    The following table compares official EPA ratings for fuel economy (in miles per gallon gasoline equivalent, mpg-e or MPGe, for plug-in electric vehicles) for series production all-electric passenger vehicles rated by the EPA for model years 2015, [1] 2016, [2] 2017, [3] and 2023 [4] versus the model year 2016 vehicles that were rated the most efficient by the EPA with plug-in hybrid ...

  6. Miles per gallon gasoline equivalent - Wikipedia

    en.wikipedia.org/wiki/Miles_per_gallon_gasoline...

    The following table compares official EPA ratings for fuel economy (in miles per gallon gasoline equivalent, mpg-e or MPGe, for plug-in electric vehicles) for series production all-electric passenger vehicles rated by the EPA for model years 2015, [48] 2016, [49] 2017, [50] and 2023 [51] versus the model year 2016 vehicles that were rated the ...

  7. Electrical efficiency - Wikipedia

    en.wikipedia.org/wiki/Electrical_efficiency

    A premium efficiency electric motor: more than 90% (see Main Article: Premium efficiency). A large power transformer used in the electrical grid may have efficiency of more than 99%. Early 19th century transformers were much less efficient, wasting up to a third of the energy passing through them. [citation needed]