Volkswagen
Volkswagen Dieselgate Emissions Scandal
Estimated impact: $33B
Volkswagen installed "defeat device" software in 11 million diesel vehicles worldwide to cheat on emissions tests. The cars emitted up to 40 times the legal limit of nitrogen oxides during real driving. The scheme was driven by engineering leadership's commitment to meeting impossible performance targets set by senior management.
Decision context
Whether to install software that detected and altered vehicle behavior during emissions testing, or to admit that clean diesel technology could not simultaneously meet performance, fuel economy, and emissions targets.
Biases present in the decision
Toxic combinations
- Yes Committee
- Sunk Ship
- Golden Child
Reference class base rates
Across all 146 curated case studies in our library:
Lessons learned
- When senior leadership sets technically impossible targets, a culture of authority bias forces engineers to find illegitimate workarounds.
- Groupthink in engineering teams can normalize fraud when "everyone knows" about the deception but no one escalates.
- Sunk cost in the "clean diesel" marketing strategy made admitting technical failure seem more costly than cheating.
Source: EPA Notice of Violation to VW (2015); German Bundestag Investigation Committee Report (2017) (Case Study)
See what we'd flag in your next strategic memo.
Upload a strategic memo or board deck. Get the same bias audit you just saw for Volkswagen, on your own high-stakes call, in under 60 seconds.
Or leave your email, we'll run a strategic memo of your choosing and send the readout within a business day.
Ready to audit your own memo right now? Create a free account →