So far, 140 windows have been replaced on four rail cars. Over time, 15,000 windows will need to be replaced on NJ Transit's 429 multilevel rail cars.

Spraetz, who specializes in window tinting and installs unbreakable polycarbonate windows, was moved to help after hearing about the New Year's Eve incident involving tattoo artist Erica Castaneda.

One detail illustrates the R26.R’s motorsport-inspired madness better than any other, though: polycarbonate rear and rear side windows. Renaultsport saved 5.7kg by ditching glass and it’s this ...