Sinha, a young scientist, also contended that the engine offers complete non-polluting, successful, air-fuelled vehicular alternative hitherto unseen and unheard and runs a vehicle for 4.5 lakh km at an expense of a mere 35,000.

The plea stated that Sinha launched his technology at UN climate change programme in Delhi in 2009 and received national and international commendation and acclaim.

"The petitioner's (Sinha) engine has been widely recognised as a long-lasting, non-polluting, non-hazardous alternative to engines/motors running on hydrocarbons whose reserves are fast depleting, and also 'e-rickshaws' running on toxic lead-batteries that have a short life span, and are cost-inefficient," said the plea.

Sinha said that his engine will drastically curtail environmental degradation and is also the patent holder of his invention in US and Canada, which are already using the technology in vehicles.

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