What’s in my fuel tank? Insights into beliefs and preferences for e-fuels and biofuels

Table 3 t-test for deviations from scale midpoint (3) for the comparison of alternative fuels to diesel and gasoline (n = 208, df = 207)

Evaluative dimension	t	p	Cohen’s d
Cleaner–dirtier combustion	− 25.67	< 0.001	− 1.78
More–less sustainable	− 28.88	< 0.001	− 2.00
Lower–higher CO₂ footprint	− 25.33	< 0.001	− 1.76
Less–more pollutant emissions	− 23.69	< 0.001	− 1.64
Smaller–higher land use		n.s.
Safer–more dangerous	− 7.15	< 0.001	− 0.50
Less–more toxic	− 15.99	< 0.001	− 1.11
Cheaper–more expensive	6.22	< 0.001	0.43
Easier–more elaborate to use		n.s.
Increased–decreased range	8.71	< 0.001	0.60

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