{'field': 'year', 'type': 'temporal'}
{'field': 'miles', 'type': 'quantitative'}
{'field': 'gas', 'type': 'quantitative'}
{'field': 'side', 'type': 'nominal'}
Generate 16 vis, time last 0.151 s.
Cost:36.400
Cost:36.400
Cost:36.420
Cost:36.420
Cost:36.627
Cost:36.627
Cost:36.640
Cost:36.640
Cost:37.507
Cost:37.520
Cost:37.640
Cost:37.660
Cost:72.400
Cost:72.760
Cost:74.880
Cost:75.240