For budgetary reasons, the government wants to reduce the ecological bonus for the purchase of an electric vehicle for the wealthiest. This measure, which must apply on January 1, will concern the 40% of the richest French people, who will see their bonus increase from 5,000 to 4,000 euros for the purchase of a new electric vehicle. Explanations from economist Flavien Neuvy, director of the Cetelem automobile observatory.