Volvo is prepping its newest model, the compact EX30, and Volvo being Volvo, the Swedish firm is putting safety right at the top of the new car’s agenda. That’s tricky, though – not only is the new EX30 one of the most compact cars that Volvo has ever made, it’s also sharing a platform with other brands, notably Smart and Geely. How can you make a small Volvo, one that has to share its components with other models at an economically viable level, just as safe as the bigger ones? It’s a long-held dilemma. For instance, back in the 1980s,...