What Is Series Hybrid Technology That Maruti Suzuki Is Developing For Cars | Auto News


As the automotive industry shifts towards electrification, hybrid vehicles have emerged as a popular choice among consumers, surpassing pure electric vehicles in sales. In markets like India, where hybrid models are scarce, companies like Maruti Suzuki and Toyota are capitalizing on this trend by investing in series hybrid technology, paving the way for cost-effective solutions in the hybrid vehicle segment.

What is Series Hybrid Powertrain?

Series hybrid technology operates on a unique principle where the petrol engine serves solely as a generator or range extender. Unlike traditional hybrids, where the engine directly drives the car, in a series hybrid setup, the engine generates electricity to power an electric motor. This motor, in turn, propels the wheels, effectively driving the vehicle forward.

Cost-Effectiveness of Series Hybrid:

One of the key advantages of series hybrid technology lies in its cost-effectiveness. By eliminating the need for a direct mechanical link between the engine and the wheels, the overall powertrain design becomes simpler and more economical to produce. Unlike its counterparts, such as series-parallel and parallel-only hybrids, series hybrids do not require complex gearboxes, resulting in reduced manufacturing costs.

Simplicity Equals Reliability:

The simplicity of the series hybrid powertrain extends beyond manufacturing savings. With fewer mechanical components and a straightforward design, series hybrid vehicles are inherently more reliable and require less maintenance compared to their counterparts. This aspect is particularly crucial for small cars, where reliability and affordability are paramount.

Efficiency in City Driving:

Series hybrid vehicles excel in urban environments, offering optimal efficiency in stop-and-go traffic conditions. The absence of a direct connection between the engine and the wheels allows for seamless transitions between electric and petrol-powered propulsion, maximizing fuel economy and reducing emissions in congested city streets.


While series hybrid technology boasts impressive efficiency in city driving, its performance on the highway may not be as robust. In high-speed, continuous driving scenarios, the petrol engine may need to work harder to meet power demands, potentially compromising fuel efficiency. In such situations, parallel hybrid configurations, which utilize both the petrol engine and electric motor simultaneously, may offer superior performance.

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