Something important to many families now is stretching every peso, and that includes fuel expenses. If you’re a family of seven, and you need a new hauler, then instead of big heavy SUVs, the MPV is a viable option. Here are some of the most fuel-efficient ones on the market today. Haima 7X - 9.8 km/L City, 16.4 km/L Highway The Haima 7X starts off our list as the fifth most fuel-efficient MPV on the market, coming in at 9.8 km/L in the city, and 16.4 km/L on the highway, which sets quite a high