Asphalt
Richmond International Raceway Sound Warning
Bristol Motor Speedway

The Proposal to Muffle NASCAR Race Cars

Last week, Adam Stern broke a story that NASCAR is considering 15 to 20 potential changes that would help increase the fan base. They’ve already implemented race segments and we’ve heard talk about shortening race […]

Aerodynamics
Cautions

Can NASCAR Stop Secondary Accidents?

January is named after the Roman God Janus, who is the god of beginning, gates, transitions, time, doorways, passages and endings.  How’s that for a job description? Janus is usually portrayed as having two faces: […]

Electronic Fuel Injection

Did EFI Make NASCAR Engines More Reliable?

In 2012, NASCAR moved from carburetors to Electronic Fuel Injection (EFI). This made people like me happy because my friends who denigrated NASCAR as hopelessly outdated and behind the times have one less argument to use against me. There were […]

Aerodynamic Forces
Digital Dashboard

Is Stricter Enforcement of Pit Road Speed Limits Making Pit Road Less Safe?

The Purpose of Pit Road Speed Limits NASCAR implemented pit road speeding rules in 1991. The year before, Mike Rich, a tire changer for Bill Elliott, had been pinned between Elliott’s car and the car of Ricky Rudd when […]

Brakes

Tire Management

NASCAR is very clear about what teams can and can not do to the tires. Teams may not use any chemical or physical means of altering the tires, which means no siping (cutting grooves into the tires), no chemical softening, not even heat blankets to pre-warm the tires are allowed. Basically, you can’t do anything to the tires. This means that when a tire blows out, it’s the tire’s fault. Right? […]

Bill Nye

NASCAR and Electric Cars: A Response to Bill Nye

Bill Nye is getting a lot of press lately by suggesting NASCAR ought to be racing electric cars.  I was rather disappointed with the reaction from NASCAR fans, as many dismissed the suggestion offhand, or offered ad […]

Diamond

NASCAR and Energy Efficiency

It never fails. When I give a talk about The Science of Speed at a University science department (as opposed to a talk for the public), someone will ask “How can you advocate for NASCAR? They’re the biggest waste of gasoline.”

Or something similar.

I’m going to look at this in two ways. People often confuse how much energy is used with how efficiently energy is used. One way to cut back on energy usage is to use less energy, but it’s also possible to use less energy by using the energy more efficiently. […]