IKCO EF Engines (also called National Engine) are a family of four-cylinder engines by the Iranian car manufacturer Iran Khodro (IKCO). The first engines of this family (the EF7 series) were designed jointly by Iran Khodro Powertrain Company (IPCO) and F.E.V GmbH of Germany. The later models were designed by IPCO itself. IPCO is the powertrain design and production company of IKCO. The first phase of IKCO EF Engines project (EF7 Dual-Fuel) investments were estimated at 80 million US$. IKCO aimed to supply 800,000 powertrains by 2010.