With a few notable exceptions, the majority of objects removed from a 3D printer bed are fashioned with plastic. But plastic has a nasty habit of ruining our environment at the end of its useful life. Beer Holthuis has built a 3D printer that extrudes paper pulp to build three-dimensional objects.
Denmark's e-bike maker Biomega has unveiled its first four-wheel electric vehicle – the Sin crossover utility vehicle. The concept brings to mind Renault's Twizy, but has room for four, is designed as a car not a quadricycle and has a top speed of 130 km/h (80 mph).
City and county officials from California to New York have filed suits against oil and gas companies alleging their fossil fuel production and promotion creates a public nuisance, citing the effects of rising sea levels on coast lines and infrastructure.