After nearly 2 years and 520,683 people pressuring VW, they've finally agreed to make cleaner and more efficient cars. VW announced that it will meet new EU car efficiency targets for 2020. That means its entire fleet will average 95g/km (about 4 litres/100km) per vehicle by 2020. VW is Europe’s biggest car-maker, the seconde biggest in the world, so this is big news. Using less oil means less pollution, less impact on the climate and less pressure on vulnerable places like the Arctic. Here's how you made it happen...