41. The Euro NCAP frontal impact tests simulates crashing a car into another of " similar mass and structure ". 42. It also received five stars for the front occupants and four stars for the rear passenger in the side-impact tests . 43. The car has air bags and has passed European crash tests, he said, but Europe does not have side-impact tests . 44. The NHTSA side-impact tests are designed to gauge how well the vehicle protects passengers in a crash, not gas-tank performance. 45. The IIHS reported their side impact test would likely cause driver related rib fractures and / or internal organ injuries. 46. The new rollover rankings, along with front and side impact test ratings, are available at www . safercar . gov. 47. Various impact test are used to assess the effects of high loading, both on products and standard slabs of material. 48. On Wednesday, Hubbard discussed in detail the results of last week's foam-impact test at Southwest Research Institute in San Antonio. 49. Detailed results for federal front-and side-impact tests and rollover tests can be found online at www . safercar . gov. 50. In the early 1970s British Leyland started an intensive programme of vehicle safety research, producing a number of prototype impact test .