Izhar Gafni makes a bike from cardboard for $9. Engineers told Izhar Gafni that a cardboard bike was impossible. But he went ahead and made one anyway. An ardent cyclist and skilled mechanic, Gafni found a cardboard bicycle taking shape in his mind. American engineers he consulted solemnly nay-sayed, but he couldn’t let go of … Continue reading Cardboard Bike from Israel Makes Cycling Even Greener