newsweek.ro/auto/drumarii-au-inlocuit-bitumul-cu-o

In Hamburg, Germany, an experimental eco-friendly asphalt made from cashew nut shells failed after just one year, leading to a return to conventional asphalt. The initiative aimed to reduce climate impact following a local referendum. Despite its innovative approach, the bio-based asphalt did not meet durability standards, prompting authorities to reassess its viability as a substitute for traditional bitumen. Experts emphasize that quality asphalt must withstand extreme temperatures and last significantly longer than the experimental mixture did.