
The Revotron engine has been developed in association with international experts like AVL, the Austrian global engine consultant, along with key engine and component developers like Bosch and Honeywell. The new 1.2-litre Revotron engine has been designed to restrict noise and vibration levels and is compatible with various fuel options including CNG and LPG. It’s turbocharger features advanced technology like a water cooling system working in tandem with the intercooler. Moreover, a built-in catalytic converter reduces toxic emissions, minimising the harm caused to the environment.
Another interesting feature of the Revotron is its multiple drive options which will allow the driver to select between pre-set engine management maps – varying from Sport, Eco to City driving modes. But this is only the beginning, as Tata Motors is set to unleash a whole new range of Revotron engines in the coming years.
There were plenty of interesting technologies introduced in the Indian automobile segment in 2014. But it was the the newly developed Tata Motors Revotron petrol engine which pipped competition to win the Technology of the Year Award.
2014 ET ZigWheels Award: Technology of the Year Tata Zest for Revotron

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Girish Wagh, Senior VP Programme, Planning and Product Management, Tata Motors accepting the Technology of the Year award for the Revotron engine.

The Revotron Series has been developed with inputs from global players in the areas of combustion, boosting, friction and calibration. Tata Motors worked with AVL (Austria) and key technology partners like Bosch, Honeywell, Mahle and INA to bring in technology. According to the company, the engine series has been tested for global standards along with a testing car by TEnergy of Korea to ensure that the engine performance is best-in-class. The Revotron series will include three- and four-cylinder petrol engines aimed at offering superior performance and high fuel efficiency.
The engine itself is lightweight and powerful, with a stiffened crankcase that minimises NVH. It has been refined with a tuned intake and exhaust system for improved combustion; NVH has been reduced with the use of a silent-steel oil pan and lower auxiliary system noise. Enhanced with an ECU for precise control, the engine is powered by wire technology for a smooth drive experience. An optimised water jacket and head gasket, using computational fluid dynamics (CFD) technology, ensure efficient combustion and reduce thermal inertia. In addition, the engine has been incorporated with an eight-hole fuel injector for superior efficiency and assisted by innovative calibration strategies.
The Revotron series was designed based on feedback from car owners, car enthusiasts and expert drivers from across the globe, observing their driving habits followed by extensive testing in gruelling climatic conditions in India as well as in countries like the UK and Korea. With enhanced customer benefits, Tata has positioned the Revotron series as a blend of performance, refinement and economy.
via: www.zigwheels.com, www.indiatoday.in