The car's design materially influences its aerodynamics and fuel efficiency.
Her test drive revealed the car's impressive fuel efficiency.
They installed new onboard technology to improve fuel efficiency for the bus.
Automotive engineering is essential for reducing emissions and improving fuel efficiency.
The car's engine benefited from tweaking, leading to better fuel efficiency.
El motor del coche se benefició de ajustes, aumentando la eficiencia del combustible.
He decided to clean the petrol tank to improve fuel efficiency.
Decidió limpiar el tanque de gasolina para mejorar la eficiencia del combustible.
The car's fuel efficiency is its main selling point for environmentally conscious consumers.
La eficiencia de combustible del coche es su principal argumento de venta para consumidores ecologistas.
Their new design featured an improved ignitor for better fuel efficiency.
Su nuevo diseño presentaba un encendedor mejorado para una mayor eficiencia de combustible.
Some engineers believe the rotary engine offers advantages in fuel efficiency.
Algunos ingenieros creen que el motor rotativo ofrece ventajas en eficiencia de combustible.
The overhauled car features new technology that enhances fuel efficiency.
El coche actualizado cuenta con nueva tecnología que mejora la eficiencia del combustible.
With its fuel efficiency, the runabout is economical for short errands.
Con su eficiencia de combustible, el cochecito es económico para diligencias cortas.
He plans to tweak his car's engine to increase fuel efficiency.
Planea modificar el motor de su coche para aumentar la eficiencia del combustible.
An electronic ignition offers better fuel efficiency than older methods.
Un encendido electrónico ofrece mejor eficiencia de combustible que los métodos antiguos.