engine efficiency

[ˈɛndʒɪn ɪˈfɪʃənsi]
nounpl: engine efficiencies
eficiência do motor
1. the ratio of useful work output to energy input in an engine, expressed as a percentage
Modern diesel engines have improved engine efficiency compared to older models.
Os motores diesel modernos têm eficiência do motor melhorada em comparação com modelos antigos.
2. the measure of how effectively an engine converts fuel into mechanical power with minimal waste
Increasing engine efficiency reduces fuel consumption and emissions.
Aumentar a eficiência do motor reduz o consumo de combustível e as emissões.
3. the operational performance of an engine relative to its fuel consumption rate
The engineer focused on optimizing engine efficiency through better combustion control.
O engenheiro se concentrou em otimizar a eficiência do motor através do melhor controle da combustão.
Engine efficiency is a critical topic in both American and Brazilian automotive industries. In Brazil, with its large ethanol fuel market, engine efficiency discussions often include flex-fuel considerations. In the USA, engine efficiency is heavily tied to EPA emissions standards and fuel economy ratings (MPG). Both markets emphasize sustainability and cost savings through improved engine efficiency.
Synonyms / Sinônimos
thermal efficiencyfuel efficiencymotor performancecombustion efficiency
Antonyms / Antônimos
engine inefficiencyfuel wastepoor performance

Regional Variations

General Brazilian
eficiência do motor
Standard term used throughout Brazil in automotive and engineering contexts
Rio de Janeiro
eficiência do motor / rendimento do motor
Both terms commonly used; 'rendimento' is slightly more colloquial
São Paulo
eficiência do motor / eficiência térmica
Technical preference for 'eficiência térmica' in industrial contexts
Portugal
eficiência do motor / rendimento do motor
'Rendimento' is preferred in Portuguese automotive industry

Related Words

horsepowertorquecombustionfuel consumptionemissionsturbochargedmechanical advantage

Related Idioms & Phrases

maximize engine efficiency
improve engine efficiency
optimal engine efficiency
engine efficiency rating
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