That's because day 1 no longer counts against the 70 hour limit (you are only required to count the current day and the previous 7 days for 8 days total). Since the driver had -5 hours available and 10 hours fell off the calculation, the driver had a total of 5 hours available on the 70 hour limit.
How many countries are there in the world? Since South Sudan became an independent state on 9 July 2011, there are now 195 independent sovereign nations in the world (including disputed but defacto independent Taiwan), plus about 60 dependent areas, and five disputed territories, like Kosovo.
WHAT the UNITED NATIONS DOES and WHAT YOU CAN DO TO HELP The United Nations is an organization of 193 sovereign States. These states have voluntarily joined the UN to coordinate efforts for a safer world for this and future generations, promote friendship among all nations and support economic and social progress.