Internal combustion (IC) forklifts are a staple in many industries due to their power, durability, and versatility. However, as with any heavy equipment, there are several key concerns that users and businesses must address to ensure optimal performance, safety, and cost-effectiveness. Among these concerns, fuel efficiency and operating costs and emissions and environmental impact stand out as two of the most critical topics. This article delves into these areas, providing a comprehensive overview of what makes IC forklifts both indispensable and challenging in modern industrial settings.