Reuters: Norway is reviewing its subsidies for electric vehicles after generous government incentives made the country the biggest user of battery powered cars in the world, hurting state revenues, the finance ministry said. Norway registered its 50,000th electric car on Monday, almost three years earlier than expected thanks to government schemes that have cut taxes and provided a plethora of benefits, including an exemption from tolls and parking fees, free recharging stations and the use of bus lanes....