Brussels, 03/04/2008 (Agence Europe) - The European Commission is engaged in several infringement proceedings in the following internal market-related areas: - taxable amount of VAT in case of barter transactions, reasoned opinion against Spain; - tax incentives for research and development, reasoned opinion against Hungary; - car taxation, reasoned opinion against Malta; - free provision of services (control of organic farm products), letter of formal notice sent to Austria; - freedom of...