THERE are many ways of saving energy. One doesnt need to wait until alternative fuels are ready to be marketed. Just a little tinkering with engines, both those of cars and motorbikes, will guarantee savings of between 10 and 20 percent.

Much of this technology can no longer be called new. Magnetic technology for example, according to Benjamin Gunawan, Director of BNS Indonesia, has been used for more than a decade now in Indonesia at several vehi