To answer the simple question about increasing mileage from 25 to 35:
100 000 * 100 000 000 * ((1 / 25) - (1 / 35)) = 1.14285714 × 10^11
So, many many many gallons.
__________________
2016: 128.75L for 1875.00km => 6.87L/100km (34.3MPG US)
2017: 209.14L for 4244.00km => 4.93L/100km (47.7MPG US)
|