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Growing demand for fuel-efficient vehicles
Rising environmental awareness among consumers along with stringent government fuel-efficiency and emission norms have made automakers focus on introducing more eco-friendly vehicles. Vehicle electrification through hybrid and electric powertrains is one of the preferred approaches being adopted. While conventional internal combustion engine (ICE) vehicles rely on a rigid drive shaft to transmit power from the transmission to wheels, hybrids and EVs employ independent electric motors to power individual wheels. However, even such fuel-efficient vehicles still use drive shafts for connecting different components. At the same time, downsizing of ICEs through technologies like turbocharging and direct injection has become common to reduce fossil fuel dependency. Smaller displacement engines with more cylinders help in attaining optimal fuel efficiency but add to the complexity of engine design. As a result, dual mass flywheels and advanced constant velocity joints have seen higher integration in modern drive shafts catering to smaller, more efficient engines. Furthermore, increasing preference for all-wheel drive vehicles especially in SUV and crossover segments raise the drive shaft count per vehicle. Growing focus on improving vehicle economy and meeting greenhouse gas emission norms thus causes automakers to use re-engineered drive line components, ultimately driving associated demand.
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