A car travels 150 miles using 5 gallons of gasoline. If the cars fuel efficiency improves by 10% after maintenance, how many gallons will it use to travel 300 miles?

Thu, 16 Apr 2026 20:47:57 +0000

**Why Unlocking Fuel Efficiency Matters in Today’s Driving Landscape**
As American drivers navigate rising fuel costs and evolving automotive technology, understanding how minor improvements in fuel efficiency translate into real-world fuel savings has become more relevant. A typical vehicle covering 150 miles uses 5 gallons of gasoline—equivalent to 30 miles per gallon. But when maintenance or technological upgrades enhance fuel efficiency by just 10%, even standard trips like traveling 300 miles could see noticeable savings. This shift is gaining traction as drivers seek smarter, more economical ways to manage travel expenses in an economy where every mile counts. **Why This Calculation Is Trending in 2024**
Fuel economy improvements, once incremental, are now in the spotlight amid growing environmental awareness and financial prudence. Manufacturers routinely boost miles per gallon through better engine tuning, lightweight materials, and aerodynamic tweaks. After a service or tune-up, many drivers notice enhanced performance and lower fuel consumption—factors influencing both fleet decisions and personal driving habits. The scenario of traveling 300 miles using improved efficiency is no longer niche; it represents a tangible metric shaping consumer confidence and vehicle value. **The Science Behind the Fuel Math**
A car traveling 150 miles on 5 gallons achieves 30 miles per gallon (mpg). To cover 300 miles at the same efficiency, it would normally require 10 gallons. A 10% improvement brings the final mpg to 33 mpg. Dividing 300 miles by 33 miles per gallon yields roughly 9.09 gallons—about 9.1 gallons. This smooth calculation underscores how small efficiency gains compound into meaningful fuel savings over longer distances. **Facts That Matter: Answering Your Query Confidently**
Ones who’ve asked, *“How many gallons for 300 miles with 10% better fuel efficiency?”* can now rely on clear reasoning:
- Original mpg: 30
- Improved mpg: 33
- Triple the distance: 300 miles
- Gallons needed: 300 ÷ 33 ≈ 9.09 gallons