If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

Should foreign tourists pay more for state-funded galleries than locals, or should art be accessible to all, without discrimination? France is hiking prices for non-Europeans at the Louvre this week, ...

France is hiking prices for non-Europeans at the Louvre this week, provoking debate about so-called "dual pricing". From tomorrow, any adult visitor from outside the European Union, Iceland, ...

From Wednesday, any adult visitor from outside the European Union, Iceland, Liechtenstein and Norway will have to pay 32 euros ($37) to enter the Louvre -- a 45-percent increase -- while the Palace of ...