Daimler and BMW deepened their alliance on Thursday to share spiraling development costs for highly automated driving technologies, even as each carmaker pursues separate efforts to develop fully self-driving cars.
S Daimler [and] BMW
V [deepened] 深め
O their alliance 同盟
V [to share] (spiraling development) costs 開発費のコスト
[for] (highly automated driving) technologies 自動運転のテクノロジー
S (each) carmaker
V [pursues] separate efforts
V [to develop] (fully self-driving) cars.