How the Diesel Engine Works

For a little while now I have been wondering about just how the emission cheating system worked for Volkswagen. Thankfully the AFP put together a graphic illustrating how their diesel engine process works. It gets me partially to the level of understanding for which I am looking. But even though I now understand how the diesel engine works, I am confused about where the cheating device fits into the process.

How the diesel engine works
How the diesel engine works

Credit for the piece goes to the AFP graphics team.

Illegal Arrivals to Australia

This article on Yahoo by the AFP has an interesting graphic on the problem facing Australia of illegal arrivals via boat that, in part, probably cost Kevin Rudd and the Labor Party of Australia the recent election.

Illegal arrivals to Australia
Illegal arrivals to Australia

I like the overall graphic, but I feel that the data labels are unnecessary on the line chart and the bar chart. They distract from the overall shape of the data and are anyways hinted at by the axes labels within the charts themselves. Also, I am a bit unclear as to the meaning of the grey bars in the line chart.

Credit for the piece goes to John Saeki.