To run a principal components factor analysis, from the menus choose:

Analyze
Data Reduction
Factor...

Select Vehicle type through Fuel efficiency as analysis variables.

Click Extraction.

Select Scree plot.

Click Continue.

Click Rotation in the Factor Analysis dialog box.

Select Varimax in the Method group.

Click Continue.

Click Scores in the Factor Analysis dialog box.

Select Save as variables and Display factor score coefficient matrix.

Click Continue.

Click OK in the Factor Analysis dialog box.

These selections produce a solution using principal components extraction, which is then rotated for ease of interpretation. Components with eigenvalues greater than 1 are saved to the working file.