1 Subjects: “...spark ignition...”

2 Subjects: “...ignition...”

3 Subjects: “...compression ignition (CI) engine...”

4 Subjects: “...ignition...”

5 Subjects: “...time-to-ignition...”

6 Subjects: “...plasma assisted ignition...”

7 Subjects: “...ignition...”

8 Subjects: “...ignition test...”

9 Subjects: “...ignition hazard...”

10 Subjects: “...repetitive extinction and ignition (FREI)...”

11 Subjects: “...ignition risk...”

12 Subjects: “...ignition risk...”

13 Subjects: “...compression ignition...”

14 Subjects: “...ignition behavior...”

15 Subjects: “...temperature of ignition...”

16 Subjects: “...self-ignition delay...”

17 Subjects: “...loss on ignition...”

18 Subjects: “...ignition...”

19 Subjects: “...ignition position...”

20 Subjects: “...ignition heat source...”