Complex sentence: Ford claims that the fuel economy of the new 1.6L EcoBoost engine will match that of the current Ford Escape Hybrid, while the new 2.0-Liter engine produces more horsepower than the current V6 unit.
Split into simpler sentences: Ford claims that the fuel economy of the new 1.6L EcoBoost Engine will match that of the current Ford Escape Hybrid. The new 2.0-Liter Engine produces a greater amount of horsepower than the current V6 unit.