By Kate Abnett BRUSSELS (Reuters) – Italy, Portugal, Slovakia, Bulgaria and Romania want to delay a European Union plan to effectively ban the sale of new petrol and diesel cars from 2035 by five years, according to a document seen by Reuters. The policy is a key pillar of the EU’s plans to tackle rising transport emissions and speed the shift to electric vehicles, as the bloc strives to cut economy-wide net greenhouse gas emissions 55% by 2030, from 1990 levels. The car emissions proposal, made by the European Commission last year, would require a 100% reduction in CO2 emissions from new cars…