2023-12-03 13:48:26
Renault, a recognized leader in the field of electric vehicles, is taking a significant new step with the launch of its second generation of E-TECH hybrid engine. This innovation, with a power of 200 horsepower, represents a leap forward for the brand, drawing on its expertise acquired both in Formula 1 and in the development of electric vehicles.
The second generation of the E-TECH engine
The first generation of the E-TECH engine, introduced in 2020 with 140 horsepower, has already demonstrated its effectiveness, notably in the Clio and Captur models. Experts have praised the energy efficiency of these vehicles and their ability to achieve significant fuel savings. In 2021, the Arkana model joined the range, with sales of the hybrid version quickly surpassing those of the petrol versions, accounting for almost 60% of total sales in 2022.
Innovation in power and efficiency
The new thermal engine of the E-TECH engine, an ultra-efficient 3-cylinder, is a major development. Designed specifically to meet the requirements of hybrid vehicles, it nevertheless aims to optimize the power, comfort of use, and energy efficiency. This ambition, expressed by Luca de Meo, Managing Director of Renault, to create “the best hybrid engine in the world”, was the driving force behind this development.
Strengthening performance and environmental effect
Renault engineers, under the direction of Gilles le Borgne and Philippe Brunet, worked on improving various aspects of the engine. Among them, the optimization of electric power, the reduction of fuel consumption, the acceleration of engine start-up, and the fluidity of gear changes. This search for optimization has also led to the adoption of advanced technologies such as Miller cycle and a burnt gas recirculation (EGR) system.
Choosing an engine 3 cylinders of 1.2 liters, called 1.2 TCe, was crucial. This engine, while remaining compact, actually offers higher energy efficiency than a 4-cylinder architecture. The engineers also had to take up the challenge of meeting future environmental standards, notably the Euro 7 standard.
Improved capacity and durability
In addition to these innovations, the E-TECH hybrid engine has also benefited from improvements to its battery and electrical system. The transition to a 400 volt electrical architecture and the increase in battery capacity by 1.2 kWh to 2 kWh made it possible to increase the power of the main electric motor from 35 to 50 kW.
A dog gearbox and electronic innovations
Particular attention has also been paid to the dog gearbox, with modifications aimed at strengthening its ability to handle the increase in power and torque. In addition, Renault has also integrated software and electronic innovations, further improving efficiency and reducing CO2 emissions.
The arrival of new hybrid technology
Renault’s new 200 hp hybrid E-TECH engine, ready to be launched on the Austral models in 2022 and Espace in 2023, represents a major advance in the field of hybrid vehicles. This development demonstrates Renault’s continued commitment to innovation and sustainability. Renault is thus meeting growing consumer expectations in terms of energy efficiency and environmental performance.
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