By Nick Carey LONDON (Reuters) – Amazon.com Inc said on Monday it will invest more than 1 billion euros ($974.8 million) over the next five years in electric vans, trucks and low-emission package hubs across Europe, accelerating its drive to achieve net-zero carbon. The retailer said the investment was also aimed at spurring innovation across the transportation industry and encouraging more public charging infrastructure for electric vehicles (EVs). The U.S. online retailer said the investment would help its electric van fleet in Europe more than triple from 3,000 vehicles to more than 10,000 …