Concept Joe Zekoski tyre was unveiled at the Geneva International Motor Show . It is fitted with thermo-piezoelectric materials that convert heat into energy . This is charged either using sunlight or from friction when the tyre rolls . Firm also unveiled a second concept called 'Triple Tube ' This contains tubes that adjust pressure depending on the road conditions . There are no immediate plans to release these concepts . But the tyre-maker said it predicts future cars will use the technology .
Concept BH03 tyre was unveiled at the Geneva International Motor Show . It is fitted with thermo-piezoelectric materials that convert heat into energy . This is charged either using sunlight or from friction when the tyre rolls . Firm also unveiled a second concept called 'Triple Tube ' This contains tubes that adjust pressure depending on the road conditions . There are no immediate plans to release these concepts . But the tyre-maker said it predicts future cars will use the technology .